INBOX subfolders replication to in-place archive issue

Question

A couple of months ago I contacted Microsoft support about an issue with mailbox archiving on INBOX subfolders.

The support engineer replied me: "after doing some testing on my own tenant it looks like archiving by default is disabled for subfolders".

I searched the MS docs but could not find any information about this.

Does anyone have a solution/workround for this issue, except from working with PST's or using an Exchange Online P2 license?

Thanks!

vasilmichev · Answer

My subfolders are definitely being processed, so not sure what the engineer meant here. Are you using a folder-specific tag or the default one?

mathieu-v · Answer

Hey Vasil,Thanks for the feedback! I'm using a retention tag that is linked to a retention policy. The retention policy is linked to the user's mailbox. There are no personal tags in place.

vasilmichev · Answer

What kind of tag though, is it Inbox or Default type?

mathieu-v · Answer

Hey Vasil,This is the configuration in the Exchange admin center:Retention tag &gt; "custom retention tag 6 months archive" &gt; Retention action: Move to Archive - Retention Period: When the item reaches 180 daysRetention policy &gt; "custom retention policy 6 months archive" &gt; link "custom retention tag 6 months archive"User mailbox &gt; mailbox features &gt; Retention policy &gt; "custom retention policy 6 months archive"

vasilmichev · Answer

If it's using the Archive action, it's either a Default tag, or a Personal one. You mentioned you don't have any personal tags above, so I'll assume it's a Default one. Which puts you in the same configuration as my own mailbox, and for me Inbox subfolders are being correctly processed by the "parent" folder retention settings. So I still question that engineer's statement.

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INBOX subfolders replication to in-place archive issue

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