Navigate to https://outlook.office.com/mail/
- Right click the folder or the inbox itself that you’d like to share.
- Click Permissions.
- A window will appear where you can delegate access.
3. Click the + symbol to add a person to your folder or inbox.
This next step must be also completed or the delegate will not be able to access the mailbox.
Right click over 'Folders' and select 'Sharing and permissions'
On the default option, select ONLY folder visible.
You may also be interested in:
How to Delegate Someone to Your Mailbox (app version)
How to Change the View of Your Inbox (web and app version)
How to Share Your Calendar (Web version only. See article on How to Delegate Someone to Your Mailbox for app version)
How to Set an Out of Office Message (App version only. Click here for web version)