Forum Discussion
Office 365 Mailbox Storage Limits
Dear O365 Community, Regarding, mailbox storage limits, Exchange Online Plan 2 is as per below, https://technet.microsoft.com/en-us/library/exchange-online-limits.aspx User mailboxes capa...
Hi Muhammad,
On Office 365 is not possible to have Mailboxes with Unlimited Storage, it's only possible on-premises.
Why you need Unlimited on a Mailbox ? If you use Outlook and Cache to sincronize all email, you will have the requirement of the size of your mailbox on local harddrive on the PC, and you move the cache time the remaining email's will be online in your mailbox, it's almost the same as Archive.