Email signature setup guides

Add a professional HTML signature to Gmail in about 30 seconds: copy, paste into settings, save. Includes the Android app and fixes for missing images.

Step-by-step guides to install an HTML signature in Outlook on the web, the new Outlook for Windows, classic Outlook and Outlook for Mac.

Install a formatted email signature in Apple Mail on macOS and in Mail on iPhone and iPad, including the font setting that breaks most pasted signatures.

Thunderbird takes HTML signatures as source code. Copy the HTML from Sendoff, tick “Use HTML” and paste. Works on Windows, macOS and Linux.

Add a formatted signature to Yahoo Mail in three steps. Copy from Sendoff, switch on the signature in Writing email settings and paste.

Install an HTML signature in Spark for Mac, iOS and Windows using the HTML editing option. Copy the code from Sendoff and paste.

Push consistent signatures to every Gmail user in your Google Workspace domain. Directory sync, aliases and one-click updates, without rerouting mail.

Centrally managed Outlook signatures for Microsoft 365: an Outlook add-in deployed by your admin, Entra ID directory sync and one-click updates.

Make a free Gmail signature with your photo, logo and links, then paste it into Gmail settings. It stays under Gmail’s 10,000-character limit. No account.

Create a free Outlook email signature that holds up in Outlook on the web, the new Outlook, classic Outlook and Outlook for Mac. Copy, paste, done.

Make a free formatted signature for Apple Mail on Mac, with photo, logo and links, and see what works on iPhone. Paste it into Mail settings. No account needed.

Make a free Arabic email signature that mirrors right to left, keeps phone numbers in order and renders in Gmail and Outlook. No account needed.

Generate email-safe HTML signature code: nested tables, inline CSS, hosted images, under Gmail’s 10,000-character limit. Copy the HTML free, no account needed.