How to remove user created signatures

This article explains how to remove user-created signatures from applications and devices.

Classic Outlook

Removing Signatures Manually

1. Open Outlook.
2. Select File, Options, Mail, Signatures.
3. Delete any existing signatures or make sure the "New messages" and "Replies/forwards" default signature is set to (none).

Removing Signatures in Bulk

• A PowerShell script can be used to backup and then delete all signature files used by Outlook on PC from a machine for a logged-in user.
• The script can be deployed by Microsoft Endpoint Manager or Group Policy.

Outlook Online / New Outlook

1. Open outlook.office.com or New Outlook.
2. Select the Settings gear icon in the top left.
3. Navigate to Account, then Signatures.
4. Delete any existing signatures or make sure the "New messages" and "Replies/Forwards" default signature is set to (No signature).

Outlook on Mac

1. Open Outlook.
2. Select Outlook, then Settings in the top tool bar.
3. Under Email, select Signatures.
4. Delete any existing signatures or make sure the "New messages" and "Replies/forwards" default signature is set to None.

iPhone Native Mail Application

1. Navigate to iPhone Settings.
2. Search for the Mail app and remove contents under Signature.

Outlook Mobile Application

1. Navigate to the Outlook Mobile Application and select Settings.
2. Under Quick Settings select Signature and remove contents.