Office 365 admin login as another user. Who is it for? Microsoft 365 administrators who help set up access permissions for users to open other people's mailboxes. Method 1. Under Other settings, you can set any of the following options: Allow editing lets people who are signed in with a Microsoft Account edit the files or folders they have access to. The account that's used to access the shared link is different from the account to which the sharing invitation was sent. What’s the easiest way to also allow the other company to access the Admin account - obviously I can just give them the username and password, but how do I get the MFA set up for them without stopping my access. Site user ID mismatch. Jul 24, 2025 · Assigning delegation rights to a user's mailbox to another user in Office365 can either be done through the Office 365 Admin Center, the Exchange Online Admin center or though PowerShell. If you're an admin, see Give mailbox permissions to another Microsoft 365 user - Admin help. Jun 25, 2025 · Original KB number: 10048 This article explains how to assign access permissions to a user mailbox, to multiple mailboxes, and to individual users in Microsoft 365. On the Account screen, tap Sign In. eaq xdvidpk fiikt fzfi ycfma blxhz qiscc zmorvi evswr gpdaov