Posts Tagged: Mailbox

How Mailbox sizes and OneDrive data has exploded over the last 10 to 15 years – and the knock – on affect for Microsoft 365 Migrations

12th May, 2026

Over the past 10 to 15 years, Microsoft 365 has fundamentally reshaped how organisations store, manage, and retain data. What began as modest mailbox quotas and limited personal storage has evolved into enterprise‑scale cloud repositories frequently holding hundreds of gigabytes per user. This unprecedented expansion has materially increased the complexity of tenant‑to‑tenant and cross‑platform migrations, […]

Merging Two Office 365 Mailboxes

2nd October, 2018

There are many reasons why you may want to do this but probably the most likely is the “Leaver” scenario.  A common way of dealing with leavers is to simply convert their Mailbox to a Shared Mailbox and then terminate the user account.  (Sometimes, but not very often these days, it is exported to a […]