https://gorazy.com/blog/open-shared-m...
STEP BY STEP
This assumes your administrator has already granted you full permission on the shared mailbox you are trying to access.
HOW TO OPEN THE SHARED MAILBOX IN A SEPARATE WINDOW
From Outlook online...
Click your profile picture in the top right corner
Click open another mailbox
Type the name of the shared mailbox
Click open
(In the video demo the shared mailbox name is gorazyinfo)
HOW TO OPEN SHARED MAILBOX BELOW YOUR PRIMARY MAILBOX
From Outlook online...
Right-click folders
Click add shared folder
Type the name of the shared mailbox
Click add
(In the video demo the shared mailbox name is gorazyinfo)
Watch video HOW TO OPEN A 365 SHARED MAILBOX IN OUTLOOK WEB APP (365 WEBMAIL) online without registration, duration hours minute second in high quality. This video was added by user William Brook 28 May 2020, don't forget to share it with your friends and acquaintances, it has been viewed on our site 246 once and liked it 0 people.