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Sree20212021 avatar image
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Sree20212021 asked joyceshen-MSFT commented

missing emails on exchange online

emails are missing from the user's folder under online archive in OWA and in his new laptop. But we can see all those emails are available in his old laptop.

office-outlook-itprooffice-exchange-server-mailflow
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Hi @JustinMicheal-7973

Is there any update about your issue?

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joyceshen-MSFT answered

Hi @JustinMicheal-7973

Which archive method are you using, Manual archive, Autoarchive(which we manage them in outlook) or Online archive(which is also called in-place archive, we could enable it through EAC or powershell) for you account?

Please notice that: AutoArchive is an older Outlook feature that allows automatic moving of old mails to a .pst file. This means that the messages are removed from the server and are harder to find through search. If the hard drive that contains the AutoArchive.pst becomes unusable, these messages are lost. We can find the .pst file location here: in Outlook > File > Options > Advanced > AutoArchive > Autoarchive Settings > the path below 'move old items to'
C:\Users\YourUserName\Documents\Outlook Files\archive.pst

AutoArchive in Outlook- Instructions
If the folder is just like "Archives" below your account, which means you enabled the autoarchive, and it's not synced to other clients.

However, online archive(In place archive) creates a separate Archive mailbox that works alongside the main mailbox. The Archive Mailbox can be searched just like the main mailbox. For the Archive features in Exchange Online Archiving

Here are some related links which introduces the different archive methods in detail for your reference:
About Outlook Archive, Online Archive and AutoArchive

Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.


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