Mail Checker for Outlook
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Displays the number of unread messages in your Outlook inbox. You can also click the button to open your inbox.

!!! NOTE: Only users with organizational account (Azure AD) can use this. This extenstion is not endorsed or administered by or associated with Microsoft Corporation. Outlook is a registered trademark of the Microsoft Corporation.

2.4 out of 524 ratings

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Stuart Norman (Studocwho)Aug 10, 2023

I know it says only for organisational email accounts, but why? Whats the point in that? Why can't it be for personal accounts too?

8 out of 9 found this helpful
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Ben FinchJul 31, 2023

Good enough. Wish it had a popup interface.

2 out of 2 found this helpful
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Sean MackedieJan 16, 2023

"Sign In" button literally does nothing

8 out of 8 found this helpful


  • Version
  • Updated
    March 22, 2021
  • Offered by
    Levente Szabó
  • Size
  • Languages
  • Developer
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.


The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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