GET/install
Install your signature.
Pick your email client below. Each guide gives you the exact steps and the correct method for that client — copy the signature, or install the .htm file. Using the right one is the whole game: it's the part every free generator gets wrong.
Two methods, one signature
Copy, or install a file.
Copy · primary
Most clients want you to copy the rendered signature and paste it in — rich HTML lands on your clipboard. A few file-based clients want the single .htm file instead. Each guide states which, up front.
.htm · file install
First-class · kept currentThe four Outlook surfaces — full step-by-step.
Classic OutlookWindows · desktop
Copy
The old Word-engine Outlook. The one that mangles everyone else's signatures. Paste the rendered signature into Signatures.Open guide →New OutlookWindows · desktopCopy
The WebView2 rewrite Microsoft is rolling out. Different Settings location, same paste. We call out the split inside the guide.Open guide →Outlook on the webBrowser · OWACopy
Outlook in the browser. Paste into the signature editor under Settings → Mail → Compose and reply.Open guide →Outlook for MacmacOS · desktopCopy
The WebKit-based Mac client. Paste into Preferences → Signatures. The .htm file is there as a fallback.Open guide →Covered · lighterEasy clients — with one trap each. Read the method note before you start.
GmailWeb
Copy only
Gmail renders real HTML — it's the easy one. The only way to get it wrong is to download the file. Copy and paste; never download here.Open guide →Apple MailmacOS.htm file-swap
Apple Mail needs the file-swap trick: make a dummy signature, quit Mail, swap the file's contents. Copy won't work here — use the .htm.Open guide →Outlook Mobile · Apple Mail iOS
Install on your desktop. Phone mail apps use plain-text signatures — a platform limit, not a Sigquill one.
There's nothing to install on mobile and nothing broken to fix: iOS and Android mail apps don't render rich-HTML signatures. Set yours up once on the desktop; your sent mail carries it regardless of the device you read replies on.