Microsoft has increased in the mailbox limitation in the past, in 2013 and later again for the E3 and E5 plans. We can either move the mail to the Online Archive or in some cases switch over to a different Office 365 subscription. If you have reached the limit within your plan, then we still have two options.
Have you reached your Office 365 mailbox size limit and want to know how to increase it? Then we first have to check if you can increase the mailbox within your current Office 365 plan.ĭepending on your Microsoft Office 365 plan you can have either a 50GB or a 100GB mailbox size as you can see in the table below.
