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Microsoft 365 (Outlook on the web | Outlook for Windows/Mac) - Accessing Another Account's Email Folders

There are times when you need to access another account's email folder(s). This document assumes that you have been granted permissions to access email folders in another account. If you do not have Full Mailbox permissions or permissions to access individual folders within another account, please refer to the Microsoft 365 (Outlook on the web | Outlook for Windows/Mac) - Manage permissions to an email folder document.

Expand the desired section below to access the account you have been granted permissions to.


 Outlook on the web

 Outlook for Windows

Important: In addition to having permissions to the folder(s) of the account you are attempting to access, the account must be searchable in the GAL.

Outlook for Mac

Important: In addition to having permissions to the folder(s) of the account you are attempting to access, the account must be searchable in the GAL.



Keywords:
microsoft office365 o365 m365 microsoft 365 outlook web app 2016 2019 windows mac win full mailbox owner contributor reviewer non-editing author publishing editor custom permissions open add access rights individual folders grant granted delegate grantee owa subscribe add mailbox share sharing read write user service account netid owner none linked contributor reviewer non-editing author publishing editor editor publishing author author custom availability only limited details full details editor delegate 
Doc ID:
38852
Owned by:
O365 S. in Microsoft 365
Created:
2014-03-27
Updated:
2025-06-05
Sites:
DoIT Help Desk, Microsoft 365