Microsoft Outlook Product Activation Failed

Microsoft Outlook Product Activation Failed

Kaitannya dengan notifikasi “product activation failed” yang muncul ini sendiri menunjukkan bahwa trial dari program Microsoft Office yang telah kamu gunakan telah habis masanya. Dengan habisnya masa trial Office yang ditunjukkan dengan munculnya notifikasi “product activation failed” di Office 2010, 2013, dan 2016 membuat kamu tak bisa. I purchased the office 365 Home on Feb, 2018. It was working fine. But when I come back from vacation for 4 weeks, trying to open outlook, excel, word, all these are showing Product Activation Failed.

For those who routinely use text documents, spreadsheets or presentation slides at work or study, Microsoft Office is nigh on indispensable. You can as well say it is in a league of its own when it comes to the total package for creating, managing and forwarding documents in any common format. Even though pretenders to the Office throne have sprung up in recent times, it remains a fact that no other application bundle comes close to the ease, sheer versatility and plain old familiarity we get with Microsoft Office.

Most computers not called a MacBook ship with some version of Microsoft Office already installed. Usually, it is not the complete package of legacy apps — Word, Excel, PowerPoint, Outlook, Access, Publisher, along with OneDrive and Skype services — but Microsoft Word, and perhaps Excel and PowerPoint too. Moreover, it is not the full version of these applications but a limited period version that becomes unlicensed after the stipulated time expires.

So, the bundled productivity apps that make up Microsoft Office on a new Windows computer are there on a trial basis, unless the activation has been paid for by the OEM (unlikely). The trial period usually lasts for 30 days, after which Windows tells you to activate Office. Sure, you’d like to do that, but there’s just one little problem: Office is very expensive. The Home and Student edition of Office 2019 contains just Word, Excel and PowerPoint yet costs $119.99 as a one-time purchase, while Office 365 Home will set you back $79.99 a year (or $7.99/m).

With the exorbitant costs, it is understandable if you aren’t in a hurry to fork out money to fully activate Office. But what happens if the trial period finishes and Office remains unlicensed? Read on to find out.

What if my Microsoft Office is not activated?

Common sense says that if you’re using an unlicensed version of Office, you should get reduced functionality, and this is precisely what happens. The features affected in each application depend on the version of Office on your computer, but in general, you lose editing and creating functionalities. This means that during the period your Office is unlicensed, you cannot create new documents or edit existing ones. Your Office apps will become more of viewers than anything else.

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Before the advent of Office 365, PC users activated Office through product keys that either came with the Office installation disc or were purchased online. The current method uses your Microsoft account details stored in the cloud. Since Office now adopts a subscription model, aside from special versions like the Home and Student edition that are bought through a one-time payment, you now have to pay subscription fees at specified intervals to keep using Office.

Back to the question at hand, how your Office behaves after the 30-day free trial ends depends on your sign-up method. Those who got Office shipped with their new computers will get a flashing prompt asking them to pay for a version of Office. On the other hand, if you downloaded Office through the Office 365 website, you will get no such message. Instead, if you have enabled recurrent billing, you are automatically migrated from trial mode to full mode at the expiration of the free trial. Your account is also billed with the amount of the version of Office you have chosen for the specified duration. Therefore, if you intend to use Office on a trial basis only, it is important you do not activate this feature; you can still manually pay for Office activation after receiving a prompt.

In the actual applications like Word, Excel, PowerPoint and Publisher, you get one of several types of action messages informing you that your Office has been deactivated and you should make a purchase. In Microsoft Word, you get one of these messages:

  1. PRODUCT DEACTIVATED To keep using Word without interruption, please reactivate now: This is a rectangular orange strip between the toolbar and the page, containing a white Reactivate button next to the message
  2. We’re sorry, something went wrong and we can’t do this for you right now. Please try again later error message: This shows up as an error bar; at which point one is unable to make use of the application
  3. Unlicensed Product/Product Activation Failed: Both of these show up on the title bar next to the title of the opened document. If the latter message shows up instead of the former, it is still possible to use the full functionalities of Word for an indeterminate period
  4. Microsoft Office Activation Wizard: Pops up the minute a Word document is opened. It tells you your copy of the application isn’t activated and contains options for (re)activation

Effects of deactivation on Office apps for Windows

If your Office trial period expired and you are yet to reactivate it, a lot of things can happen when you want to use any of the applications. One of these happens if Microsoft Office is not activated or licensed:

  • Constant Product Activation Failed messages
  • Error messages telling you your copy of Word, Excel, might be counterfeit
  • Disabled features, increasing in severity as time goes by
  • In some versions of Office, you get a dialog to enter your product key
  • In Office 2019, you get a sign-in prompt
  • If you signed up through Office 365, your account is disabled 31-120 days after deactivation
  • Your account is decommissioned and closed, permanently erasing you from the Office program

How to unlock unlicensed Office 2016/2019

If you don’t want your Office disabled, you can just pay for activation and renew your Office license. That way, you keep enjoying the awesome features of Word, Excel and other Office apps on your Windows computer. There are two methods to use for Office activation:

  • Purchase a license online

By buying a license direct from Microsoft online, you don’t have to leave the comforts of your home. Just go to and choose the version of Office you want to purchase.

  1. Select the Renew now option to pay a yearly subscription
  2. Select the Renew with a monthly subscription option to pay monthly rentals for Office

If you want your Office automatically renewed, enable recurring billing, otherwise turn it off.

  • Renew with a product key

If you buy a physical Microsoft Office disc that comes in a physical box or card, you should see the 25-character product key somewhere on the inside. Alternatively, the seller might send it in an email. Go to and log into your Microsoft account. Then enter your product key to activate your copy of Office.

With activation completed, you should be able to enjoy the full features of Office. Beware though, your Office apps can be a target for phishing and malware attacks, especially if you use the internet often. To safeguard your applications and ensure that no problems develop when using Office, we recommend Auslogics Anti-Malware for the total obliteration of dangerous and harmful items on your computer. Just download and install it and let it scan your computer for potential sources of damage. It will quarantine them. It will also automatically block any phishing attempts or bogus messages and documents that might compromise your computer’s safety.

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If you learned something about Office from this article, please let us know in the comments.-->

Outlook contextual add-in activation is based on the activation rules in the add-in manifest. When conditions for the currently selected item satisfy the activation rules for the add-in, the application activates and displays the add-in button in the Outlook UI (add-in selection pane for compose add-ins, add-in bar for read add-ins). However, if your add-in doesn't activate as you expect, you should look into the following areas for possible reasons.

Is user mailbox on a version of Exchange Server that is at least Exchange 2013?

First, ensure that the user's email account you're testing with is on a version of Exchange Server that is at least Exchange 2013. If you are using specific features that are released after Exchange 2013, make sure the user's account is on the appropriate version of Exchange.

You can verify the version of Exchange 2013 by using one of the following approaches:

  • Check with your Exchange Server administrator.

  • If you are testing the add-in on Outlook on the web or mobile devices, in a script debugger (for example, the JScript Debugger that comes with Internet Explorer), look for the src attribute of the script tag that specifies the location from which scripts are loaded. The path should contain a substring owa/15.0.516.x/owa2/.., where 15.0.516.x represents the version of the Exchange Server, such as 15.0.516.2.

  • Alternatively, you can use the Office.context.mailbox.diagnostics.hostVersion property to verify the version. On Outlook on the web and mobile devices, this property returns the version of the Exchange Server.

  • If you can test the add-in on Outlook, you can use the following simple debugging technique that uses the Outlook object model and Visual Basic Editor:

    1. First, verify that macros are enabled for Outlook. Choose File, Options, Trust Center, Trust Center Settings, Macro Settings. Ensure that Notifications for all macros is selected in the Trust Center. You should have also selected Enable Macros during Outlook startup.

    2. On the Developer tab of the ribbon, choose Visual Basic.


      Not seeing the Developer tab? See How to: Show the Developer Tab on the Ribbon to turn it on.

    3. In the Visual Basic Editor, choose View, Immediate Window.

    4. Type the following in the Immediate window to display the version of the Exchange Server. The major version of the returned value must be equal to or greater than 15.

      • If there is only one Exchange account in the user's profile:
      • If there are multiple Exchange accounts in the same user profile (emailAddress represents a string that contains the user's primary SMTP address):

Is the add-in disabled?

Any one of the Outlook rich clients can disable an add-in for performance reasons, including exceeding usage thresholds for CPU core or memory, tolerance for crashes, and length of time to process all the regular expressions for an add-in. When this happens, the Outlook rich client displays a notification that it is disabling the add-in.


Only Outlook rich clients monitor resource usage, but disabling an add-in in an Outlook rich client also disables the add-in in Outlook on the web and mobile devices.

Use one of the following approaches to verify whether an add-in is disabled:

  • In Outlook on the web, sign in directly to the email account, choose the Settings icon, and then choose Manage add-ins to go to the Exchange Admin Center, where you can verify whether the add-in is enabled.

  • In Outlook on Windows, go to the Backstage view and choose Manage add-ins. Sign in to the Exchange Admin Center to verify whether the add-in is enabled.

  • In Outlook on Mac, choose Manage add-ins in the add-in bar. Sign in to the Exchange Admin Center to verify whether the add-in is enabled.

Does the tested item support Outlook add-ins? Is the selected item delivered by a version of Exchange Server that is at least Exchange 2013?

What Does Product Activation Failed Mean

If your Outlook add-in is a read add-in and is supposed to be activated when the user is viewing a message (including email messages, meeting requests, responses, and cancellations) or appointment, even though these items generally support add-ins, there are exceptions. Check if the selected item is one of those listed where Outlook add-ins do not activate.

Also, because appointments are always saved in Rich Text Format, an ItemHasRegularExpressionMatch rule that specifies a PropertyName value of BodyAsHTML would not activate an add-in on an appointment or message that is saved in plain text or Rich Text Format.

Even if a mail item is not one of the above types, if the item was not delivered by a version of Exchange Server that is at least Exchange 2013, known entities and properties such as sender's SMTP address would not be identified on the item. Any activation rules that rely on these entities or properties would not be satisfied, and the add-in would not be activated.

If your add-in is a compose add-in and is supposed to be activated when the user is authoring a message or meeting request, make sure the item is not protected by IRM. However, there are a couple of exceptions.

  1. Add-ins activate on digitally signed messages in Outlook associated with a Microsoft 365 subscription. On Windows, this support was introduced with build 8711.1000.
  2. Starting with Outlook build 13229.10000 on Windows, add-ins can now activate on items protected by IRM. For more information about this support in preview, see Add-in activation on items protected by Information Rights Management (IRM).

Is the add-in manifest installed properly, and does Outlook have a cached copy?

This scenario applies to only Outlook on Windows. Normally, when you install an Outlook add-in for a mailbox, the Exchange Server copies the add-in manifest from the location you indicate to the mailbox on that Exchange Server. Every time Outlook starts, it reads all the manifests installed for that mailbox into a temporary cache at the following location:

For example, for the user John, the cache might be at C:UsersjohnAppDataLocalMicrosoftOffice16.0WEF.


For Outlook 2013 on Windows, use 15.0 instead of 16.0 so the location would be:

If an add-in does not activate for any items, the manifest might not have been installed properly on the Exchange Server, or Outlook has not read the manifest properly on startup. Using the Exchange Admin Center, ensure that the add-in is installed and enabled for your mailbox, and reboot the Exchange Server, if necessary.

Figure 1 shows a summary of the steps to verify whether Outlook has a valid version of the manifest.

Figure 1. Flow chart of the steps to verify whether Outlook properly cached the manifest

The following procedure describes the details.

  1. If you have modified the manifest while Outlook is open, and you are not using Visual Studio 2012 or a later version of Visual Studio to develop the add-in, you should uninstall the add-in and reinstall it using the Exchange Admin Center.

  2. Restart Outlook and test whether Outlook now activates the add-in.

  3. If Outlook doesn't activate the add-in, check whether Outlook has a properly cached copy of the manifest for the add-in. Look under the following path:

    You can find the manifest in the following subfolder:


    The following is an example of a path to a manifest installed for a mailbox for the user John:

    Verify whether the manifest of the add-in you're testing is among the cached manifests.

  4. If the manifest is in the cache, skip the rest of this section and consider the other possible reasons following this section.

  5. If the manifest is not in the cache, check whether Outlook indeed successfully read the manifest from the Exchange Server. To do that, use the Windows Event Viewer:

    1. Under Windows Logs, choose Application.

    2. Look for a reasonably recent event for which the Event ID equals 63, which represents Outlook downloading a manifest from an Exchange Server.

    3. If Outlook successfully read a manifest, the logged event should have the following description:

      Then skip the rest of this section and consider the other possible reasons following this section.

  6. If you don't see a successful event, close Outlook, and delete all the manifests in the following path:

    Start Outlook and test whether Outlook now activates the add-in.

  7. If Outlook doesn't activate the add-in, go back to Step 3 to verify again whether Outlook has properly read the manifest.

Is the add-in manifest valid?

See Validate and troubleshoot issues with your manifest to debug add-in manifest issues.

Are you using the appropriate activation rules?

Starting in version 1.1 of the Office Add-ins manifests schema, you can create add-ins that are activated when the user is in a compose form (compose add-ins) or in a read form (read add-ins). Make sure you specify the appropriate activation rules for each type of form that your add-in is supposed to activate in. For example, you can activate compose add-ins using only ItemIs rules with the FormType attribute set to Edit or ReadOrEdit, and you cannot use any of the other types of rules, such as ItemHasKnownEntity and ItemHasRegularExpressionMatch rules for compose add-ins. For more information, see Activation rules for Outlook add-ins.

If you use a regular expression, is it properly specified?

Because regular expressions in activation rules are part of the XML manifest file for a read add-in, if a regular expression uses certain characters, be sure to follow the corresponding escape sequence that XML processors support. Table 1 lists these special characters.

Table 1. Escape sequences for regular expressions

CharacterDescriptionEscape sequence to use
'Double quotation mark"
<Less-than sign&lt;
>Greater-than sign&gt;

If you use a regular expression, is the read add-in activating in Outlook on the web or mobile devices, but not in any of the Outlook rich clients?

Outlook rich clients use a regular expression engine that's different from the one used by Outlook on the web and mobile devices. Outlook rich clients use the C++ regular expression engine provided as part of the Visual Studio standard template library. This engine complies with ECMAScript 5 standards. Outlook on the web and mobile devices use regular expression evaluation that is part of JavaScript, is provided by the browser, and supports a superset of ECMAScript 5.

While in most cases, these Outlook clients find the same matches for the same regular expression in an activation rule, there are exceptions. For instance, if the regex includes a custom character class based on predefined character classes, an Outlook rich client may return results different from Outlook on the web and mobile devices. As an example, character classes that contain shorthand character classes [dw] within them would return different results. In this case, to avoid different results on different applications, use (d w) instead.

Test your regular expression thoroughly. If it returns different results, rewrite the regular expression for compatibility with both engines. To verify evaluation results on an Outlook rich client, write a small C++ program that applies the regular expression against a sample of the text you are trying to match. Running on Visual Studio, the C++ test program would use the standard template library, simulating the behavior of the Outlook rich client when running the same regular expression. To verify evaluation results on Outlook on the web or mobile devices, use your favorite JavaScript regular expression tester.

Microsoft Outlook Product Activation Failed Solution

If you use an ItemIs, ItemHasAttachment, or ItemHasRegularExpressionMatch rule, have you verified the related item property?

If you use an ItemHasRegularExpressionMatch activation rule, verify whether the value of the PropertyName attribute is what you expect for the selected item. The following are some tips to debug the corresponding properties:

  • If the selected item is a message and you specify BodyAsHTML in the PropertyName attribute, open the message, and then choose View Source to verify the message body in the HTML representation of that item.

  • If the selected item is an appointment, or if the activation rule specifies BodyAsPlaintext in the PropertyName, you can use the Outlook object model and the Visual Basic Editor in Outlook on Windows:

    1. Ensure that macros are enabled and the Developer tab is displayed in the ribbon for Outlook.

    2. In the Visual Basic Editor, choose View, Immediate Window.

    3. Type the following to display various properties depending on the scenario.

      • The HTML body of the message or appointment item selected in the Outlook explorer:
      • The plain text body of the message or appointment item selected in the Outlook explorer:
      • The HTML body of the message or appointment item opened in the current Outlook inspector:
      • The plain text body of the message or appointment item opened in the current Outlook inspector:

If the ItemHasRegularExpressionMatch activation rule specifies Subject or SenderSMTPAddress, or if you use an ItemIs or ItemHasAttachment rule, and you are familiar with or would like to use MAPI, you can use MFCMAPI to verify the value in Table 2 that your rule relies on.

Table 2. Activation rules and corresponding MAPI properties

Type of ruleVerify this MAPI property
ItemHasRegularExpressionMatch rule with SubjectPidTagSubject
ItemHasRegularExpressionMatch rule with SenderSMTPAddressPidTagSenderSmtpAddress and PidTagSentRepresentingSmtpAddress

After verifying the property value, you can then use a regular expression evaluation tool to test whether the regular expression finds a match in that value.

Outlook 2010 Product Activation Failed

Does Outlook apply all the regular expressions to the portion of the item body as you expect?

Product Activation Failed Outlook 2013

This section applies to all activation rules that use regular expressions -- particularly those that are applied to the item body, which may be large in size and take longer to evaluate for matches. You should be aware that even if the item property that an activation rule depends on has the value you expect, Outlook may not be able to evaluate all the regular expressions on the entire value of the item property. To provide reasonable performance and to control excessive resource usage by a read add-in, Outlook observes the following limits on processing regular expressions in activation rules at run time:

  • The size of the item body evaluated -- There are limits to the portion of an item body on which Outlook evaluates a regular expression. These limits depend on the Outlook client, form factor, and format of the item body. See the details in Table 2 in Limits for activation and JavaScript API for Outlook add-ins.

  • Number of regular expression matches -- The Outlook rich clients, and Outlook on the web and mobile devices each returns a maximum of 50 regular expression matches. These matches are unique, and duplicate matches do not count against this limit. Do not assume any order to the returned matches, and do not assume the order in an Outlook rich client is the same as that in Outlook on the web and mobile devices. If you expect many matches to regular expressions in your activation rules, and you're missing a match, you may be exceeding this limit.

  • Length of a regular expression match -- There are limits to the length of a regular expression match that the Outlook application would return. Outlook does not include any match above the limit and does not display any warning message. You can run your regular expression using other regex evaluation tools or a stand-alone C++ test program to verify whether you have a match that exceeds such limits. Table 3 summarizes the limits. For more information, see Table 3 in Limits for activation and JavaScript API for Outlook add-ins.

    Table 3. Length limits for a regular expression match

    Limit on length of a regex matchOutlook rich clientsOutlook on the web or mobile devices
    Item body is plain text1.5 KB3 KB
    Item body is HTML3 KB3 KB
  • Time spent on evaluating all regular expressions of a read add-in for an Outlook rich client: By default, for each read add-in, Outlook must finish evaluating all the regular expressions in its activation rules within 1 second. Otherwise Outlook retries up to three times and disables the add-in if Outlook cannot complete the evaluation. Outlook displays a message in the notification bar that the add-in has been disabled. The amount of time available for your regular expression can be modified by setting a group policy or a registry key.


    If the Outlook rich client disables a read add-in, the read add-in is not available for use for the same mailbox on the Outlook rich client, and Outlook on the web and mobile devices.

Outlook Product Activation Failed 2016

See also