How to install your HTML email signature in Missive
Install your HTML email signature in no time! Follow our instructions below to install your email signature in your Missive for Windows, macOS or in your web browser.
It's never been easier to create a new email signature for use in Missive. Check out our beautiful email signature templates and easy to manage email signature software that makes creating email signatures for Missive simple.
Before you start
Before you start:
- Have your HTML email signature file saved on your device.
- Open Missive.
Which installation option should I choose?
Basic Guide
If you're a personal user and are managing your email signature yourself, then the Basic Guide is the one for you.
Managed Signature
If you're part of a business or organisation where someone has already set up a managed signature in Missive for you, the Managed Signature guide is the one for you.
If you run into any issues during your HTML email signature installation in Missive, please see the Troubleshooting FAQ before contacting support through your member account.
Install: Guide for macOS
Note: By installing your email signature with the below instructions, it will also be set up on your mobile device if using the same Missive account.
Follow the Step-by-Step Guide for macOS
1Step One
Using Finder, navigate to your saved HTML file and open it with TextEdit. Press ⌘ Command + A to select all of the code, then ⌘ Command + C to copy it.
Important: If you don't see the HTML code when opening TextEdit, go to your toolbar and select TextEdit > Preferences > Open and Save > Enable "Display HTML files as HTML code instead of formatted text".

2Step Two
Open Missive and at the bottom left, click on your name or icon and select Accounts.
3Step Three
Select HTML underneath your signature section, then click inside the field and press ⌘ Command + V to paste your copied HTML signature code.

NOTE: Your email signature may not format correctly when viewing the preview within your signature settings. This is normal, and the signature will resolve itself when you compose an email.
4Step Four
Close out of your settings and compose a new email. Your HTML email signature will now appear whenever you compose a new email.

Congratulations! Your email signature is now installed and ready to use!
Install: Guide for Windows
Note: By installing your email signature with the below instructions, it will also be set up on your mobile device if using the same Missive account.
Follow the Step-by-Step Guide for Windows
1Step One
Using File Explorer, navigate to your saved HTML file and open it with Notepad. Press Ctrl + A to select all of the code, then Ctrl + C to copy it.

2Step Two
Open Missive and at the bottom left, click on your name or icon and select Accounts.
3Step Three
Select HTML underneath your signature section, then click inside the field and press Ctrl + V to paste your copied HTML signature code.

NOTE: Your email signature may not format correctly when viewing the preview within your signature settings. This is normal, and the signature will resolve itself when you compose an email.
4Step Four
Close out of your settings and compose a new email. Your HTML email signature will now appear whenever you compose a new email.

Congratulations! Your email signature is now installed and ready to use!
Install: Guide for iOS
Install: Guide for Android
Note: If you've installed your email signature into your Missive account on the Windows or macOS client, then your email signature should have automatically synced and been added to your iOS app settings.
Follow the Step-by-Step Guide for Android
1Step One
To install your email signature into your Missive app for Android, you need to copy the signature's HTML code. Follow the below steps to get the code.
- Open the HTML file that's been emailed to you. It will open in the mail app's native browser.
- Open the file in your browser app by tapping the 3 dots at the top right of your device and select Open in Chrome.
- Tap in the address bar and move your cursor to the front of the address. Type view-source: before the https then hit enter.
- You should see the HTML code. Tap and hold on the code, then press Select All and Copy.

2Step Two
Open the Missive app and tap the icon at the top left, then tap your name and select Accounts.
3Step Three
Select your email account, tap Overview, then beneath your Signature option select HTML. Tap inside the signature field and hold, select Paste.

4Step Four
Close out of your settings and compose a new email. Your HTML email signature will now automatically insert when sending emails.
Congratulations! Your email signature is now installed and ready to use on your Android device!
Troubleshooting: FAQ
If you're experiencing any issues installing your email signature within Missive, you'll likely be able to find a resolution here.
TextEdit is displaying my signature, not it's HTML code
If you don't see the HTML code when opening TextEdit, go to your toolbar and select TextEdit > Preferences > Open and Save > Enable "Display HTML files as HTML code instead of formatted text".
My signature isn't displaying correctly in the preview
If you've pasted your HTML code and are viewing the preview of your signature, it may not display correctly and have increased spacing. This is normal within the preview and won't occur when composing and sending an email. Start writing an email to test this.
Still experiencing issues?
If you're a member of Email Signature Rescue, you can submit a ticket to our friendly support team through your member account using the red help button. If you're not a member and need help creating or installing your HTML email signature, consider joining Email Signature Rescue for assistance.
Troubleshooting: Where do I find my email signature HTML file?
- If you are an Email Signature Rescue member and are logged into your account, you can download your HTML file from your dashboard.
- If you have been emailed your signature file, you'll find it attached to that email.
- If your email signature is managed by an account administrator or reseller, please get in touch with them and have them supply you with your HTML email signature file.
Troubleshooting: I don't have a HTML email signature file
If you don't have a HTML email signature file, consider joining Email Signature Rescue now to create your very own! We offer over 60 premade HTML email signature designs, tools and features to create and manage your email signatures online and a whole lot more.