"New" Outlook Desktop App Mailbox Size

kburrows

kburrows

Senior Member
Outlook version
Outlook 365 64 bit
Email Account
Office 365 Exchange
Operating system::    Windows 11
Outlook version:     Outlook 365
Email type or host:    Microsoft 365
Will the 50GB ost file size remain with the "new" Outlook or will it finally increase to 100GB to match OWA? Thanks.
 
Thank you! They just can't leave well enough alone, can they?
 
Diane Poremsky said:
New Outlook doesn't use an ost and is unlikely to use one for caching - I don't believe it will cache all mail though. I have not heard exact amounts though.
Click to expand...
What? Then what does the new Outlook use? Cloud only? I sure hope not, for multiple reasons. Would offline mode be supported?

What are they thinking? Are they completely detached from their users' reality?
 
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