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Mick-C's avatar
Mick-C
Copper Contributor
Mar 05, 2024

Auto-expanding Archive for E3 O365 accounts

I am having difficulty finding the information online that I am after. We have quite a number of shared mailboxes that are reporting "Your archive mailbox is full" and they currently are limited to 50gb. Co-pilot tells me we can simply enable auto-expanding archiving and that this will allow up to 1.5Tb per mailbox of archiving, with no additional cost and that this is available for our normal O365 accounts.

However, it provides me a link referencing Microsoft Purview: Learn about auto-expanding archiving | Microsoft Learn  which I do not believe we are licensed for. So, my questions are:
1. Is auto-expanding archiving available for E3 licenses?
2. And if so, is the overall size limit per account 1.5Tb?
3. Lastly, is there online material that explains this?

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