Can I convert disabled Exchange accounts to shared mailboxes? #M365AMA

In this episode, the #M365AMA panel discusses the following community question:

“We have 30 disabled accounts that still have E3 licenses as we usually keep the mailbox for 90 days … if i convert all these 30 disabled accounts mailboxes to shared mailboxes to spare on licenses cost .. this wont affect the data on these mailboxes .. am i right ? We are using exchange online.”

Check out the discussion here:


Participating in this discussion were:

Some relevant notes/links shared by the team:

  • “Should” be fine, but why not create an offboarding process instead?

Christian Buckley

Christian is a Microsoft Regional Director and M365 Apps & Services MVP, and an award-winning product marketer and technology evangelist, based in Silicon Slopes (Lehi), Utah. He is the Director of North American Partner Management for leading ISV Rencore (, leads content strategy for TekkiGurus, and is an advisor for both revealit.TV and WellnessWits. He hosts the monthly #CollabTalk TweetJam, the weekly #CollabTalk Podcast, and the Microsoft 365 Ask-Me-Anything (#M365AMA) series.