Add a signature to a shared mailbox
How to add a signature to a shared mailbox
Written By Kevin Marquardt
Updated by Kevin Marquardt on March 3rd, 2025
Introduction:
Steps for adding a signature to a shared mailbox by signing into OWA
Required Steps:
Open a shared mailbox through Outlook on the Web
Go to office.com – click Outlook
Click on your initials on the top right. Then select Open another mailbox
Type in the name of shared mailbox and then select the email that populates
Then select open
Once you have opened the shared mailbox you can click on new email
Then click Insert and then signature
You can then create your new signature. You also have the option to include the signature on a new email and when replying to an email.
If you use the OWA version to send/reply from the shared mailbox the signature will be included.
If you use the Outlook client then you need to select the From address to have the signature added to the email.
You will need to add it manually the first time.
After adding it you will be able to select it from the drop down.
