webarchive file from your desktop into the Library/Mail/V2/MailData/Signatures/ folder (replacing the existing file. webarchive file on your desktop with that exact same file name. webarchive file in that folder (It will have a weird name like iucxwes-ndccghyte-vvhtrfs-fdfdffs.webarchive or something). In Safari, go to File > Save As and save the file as a Web Archive to your desktop.Create a new signature by clicking on the plus icon (you can just leave the signature blank for now).In Mail, open Preferences and click on the Signatures icon.Open Mail, and that’s it, your signature is installed.mailsignature file, or you did not copy the file name properly. If they do not ask you, then you are either not copying a. When they ask you if you want to Replace the file, replace it. Copy/Paste your signature file (or drag) into the Signatures folder.mailsignature file by pasting the name of the file in Signatures folder Sort the signature files by Date, and copy the name of the youngest file.Go to Library/Mail/V2/MailData/Signatures/.If you click on the Go tab, you will reveal the Library by holding the “option” key on your keyboard down Simply closing the window is not enough, so be sure you Quit the program. Create a new signature for your account by clicking on the + sign.From Mail, go to Preferences / Signature.Under Message format, make sure the HTML is selected,.

Under ‘Email Signature’ there’s a text editor, click in it and paste.

Click on ‘Settings’ in the menu on the left.

Click on the gear icon (top right) and select ‘Options’.

Create a new signature and paste the contents of the clipboard there.

Open your email html file in your web browser.

Mac outlook html signature