Delegating Mailboxes in Outlook 365 Desktop and Web

Owned by Mark Howell
Last updated: Jan 13, 2023 by William Johnson
1 min read

This article will show you how to delegate access to your mailbox to another user in Outlook 365 Desktop and Web.

Outlook desktop client

The steps and images below are using the Outlook for Office 365 application on a Windows PC.

  1. In Outlook desktop, in the left-hand folder navigation bar, right-click the name of the account (ex. flast@ssdmo.org) and select Folder Permissions.

  2. Click Add

  3. Click the drop-down menu and select the Global Address List.

  4. In the search box, type in the last name of the person you want to delegate permissions to. The search box does search last names by default.

  5. Locate the person you want to delegate permissions to and select their name.

  6. Click Add.

  7. Customize the permission level according to the access that the other person needs.

  8. Click Ok.

The person you are sharing your mailbox with may need to refer to the KB article on Adding Shared Mailbox on Outlook 365 Desktop and Web in order to gain access to the newly delegated mailbox.

Outlook web

  1. In Outlook on the web, in the left-hand folder navigation bar, right-click on Inbox and select Permissions.

  2. Click the + sign.

  3. Type in the email address of the account you want to delegate permissions to.

  4. Click Add.

  5. Customize the permission level according to the access that the other person needs.

  6. Click Ok.

The person you are sharing your mailbox with may need to refer to the KB article on Adding Shared Mailbox on Outlook 365 Desktop and Web in order to gain access to the newly delegated mailbox.