Which button do I use? Copy Signature — for Gmail, Outlook.com, Yahoo, Apple Mail. Paste directly into the signature field; formatting is preserved. Copy HTML source — for Outlook Desktop or anywhere you need raw HTML. Download .html file — for Outlook Desktop (signatures folder) and Thunderbird.
1
Copy the signature
On this page, click the Copy Signature button above. Your clipboard now holds the rendered signature (not raw HTML).
2
Open Gmail Settings
Go to gmail.com, click the gear icon (top-right), then See all settings.
3
Find the Signature section
On the General tab, scroll down to Signature. Click + Create new if you don't have one yet, or pick the existing one.
4
Paste it
Click in the large signature editor and press Ctrl+V (⌘+V on Mac). Because we copied the rendered signature, Gmail will paste it formatted. No Shift needed.
5
Set defaults
Under Signature defaults, choose this signature for new emails and for replies/forwards.
6
Save
Scroll to the bottom and click Save Changes. Compose a new email to verify.
If it still pastes as plain text: open a new Compose window, paste the signature into the email body (which renders it), then select and copy from there and paste into the signature field.
1
Open Outlook
Launch the Outlook desktop app on Windows or Mac.
2
Open Signature Settings
Windows: File → Options → Mail → Signatures… Mac: Outlook → Preferences → Signatures.
3
Create a new signature
Click New, give it a name (e.g. "Main"), then click the editor area.
4
Paste the signature
Use the Download .html file button above → open that file in a browser → select all (Ctrl+A) → copy (Ctrl+C) → paste into the Outlook signature editor.
5
Assign to new/reply
In the same dialog, pick this signature for New messages and Replies/forwards.
6
Save
Click OK. Compose a test email to verify the signature renders correctly.
Windows power-user shortcut: save the downloaded .htm into %APPDATA%\Microsoft\Signatures\. Outlook picks it up automatically — no pasting needed.
1
Copy the signature
On this page, click the Copy Signature button above.
2
Open Outlook.com
Sign in at outlook.live.com or outlook.office.com.
3
Open Settings
Click the gear icon (top-right) → View all Outlook settings → Mail → Compose and reply.
4
Find Email signature
Scroll to the Email signature section.
5
Paste it
Click the editor box and press Ctrl+V. The signature pastes fully formatted.
6
Set defaults and save
Tick the boxes for automatic use on new messages and replies. Click Save.
1
Copy the signature
On this page, click the Copy Signature button above.
2
Open Apple Mail
Launch the Mail app on macOS.
3
Open Preferences
Mail → Settings… → Signatures (on older macOS: Preferences).
4
Create a new signature
Select your account on the left, then click the + button. Name the signature.
5
Paste it
Click into the editor on the right, press ⌘+V to paste. Un-tick "Always match my default message font" if it's ticked so our fonts win.
6
Set as default
Set it as the default for the account via the Choose Signature dropdown.
7
Test it
Close Settings and send yourself a test email.
Images missing? Tick Mail → Settings → Viewing → Load remote content in messages so avatar/banner URLs resolve on send.
1
Copy the rendered signature
On this page, tap Preview above and long-press the signature → Select All → Copy. (Copying the raw HTML will not work here.)
2
Open iOS Settings
On iPhone/iPad: Settings → Mail → Signature.
3
Pick per-account or all
Choose All Accounts or Per Account, then tap the signature field.
4
Paste and fix formatting
Long-press → Paste. If iOS strips formatting, shake the device and tap Undo, then try Paste and Match Style off by long-pressing again and picking Paste.
5
Back out to save
iOS saves automatically when you leave the screen. Send a test email from your phone.
Heads-up: iOS Mail is the most fragile client for rich signatures. Keep the layout simple (Template #6 is safest), and always verify on a real device — not the simulator.
1
Copy the signature
On this page, click the Copy Signature button above.
2
Open Yahoo Mail
Sign in at mail.yahoo.com.
3
Open Settings
Click the gear icon → More Settings → Writing email.
4
Enable signatures
Toggle on your account under Signature.
5
Paste it
Click the editor box and press Ctrl+V (or ⌘+V). The formatting is preserved.
6
Save
Yahoo saves automatically. Compose a test to verify.
1
Download the .html file
Use the Download .html file button above and save it somewhere permanent (e.g. your Documents folder).
2
Open Account Settings
In Thunderbird: ☰ menu → Account Settings.
3
Pick your account
Click your email account on the left. Find the field labelled Signature text.
4
Attach the .html file
Tick Attach the signature from a file, click Choose…, and pick the .html file you downloaded.