Outlook 2016 POP3 Bug Deletes And Duplicates Emails

Outlook 2016 POP3 Bug Deletes And Duplicates Emails

Microsoft’s Outlook 2016 currently has a bug that deletes emails from your inbox if they’re stored on an email server or duplicates emails in your inbox. This issue only affects Outlook 2016 configured to download emails using the POP3 standard. If you’re currently experiencing one of these problems, here’s a way to work around it while Microsoft tries to figure out a more permanent fix.

According to the Microsoft support page, the issue affects Outlook 2016 version 16.0.6568.2025 configured to use POP3 and have the Leave copy of messages on the Server setting enabled.

You may be experiencing emails being deleted on the server if you have the option Remove from server after [x] days enabled. As for duplicated messages, this can occur if you have the Remove from server after [x] days disabled.

Microsoft is still scratching its head at this one so there’s currently no patch available for the issue, but the company has provided instructions on how to work around the problem. One of these is quite simple: configure your email account with IMAP instead of POP3.

This will only work if your email server supports IMAP connections. Alternatively, you can revert back to an earlier version of Office 2016, given the bug only affects version 16.0.6568.2025.

You can find a step-by-step guy on how to work around the problem over at the Microsoft support page.

[Via josh.com/Microsoft Support]


  • Why is this coming to the light now if it a result of an earlier update 2/9? Also we are not running Office 365 still have the same problem with install of Office because it is the same version. How long does it take MS to address this serious of an issue? As a past programmer on teams we worked on problems around the clock if we had to.

    • The version mentioned in the article and the one affected by the bug is the latest update (16.0.6568.2025 – 16/02/2016) and not an earlier one. I experienced this issue and downgraded to the one before the latest update (16.0.6366.2068 – 09/02/2016). According to my experience the latest update is riddled with bugs, so I will advise anyone hold of on updating to the latest one. Hopefully the next update will be less buggy.

  • We’ve experienced this issue with Office 365 and have moved to IMAP temporarily. Can you please keep us posted on any updates regarding a resolution to this issue/bug.

  • We had it originally set up as IMAP and weren’t getting emails from customers. Our tech guy changed us to POP and it was working fine for a few months then we started getting 10 of every email.

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