Apple Mail App iOS

How to install a html email signature in Apple Mail App on iOS

Install Guide Updated On:
June 30, 2025

Learn how to quickly and correctly install an HTML email signature in Apple Mail App on iOS. This step-by-step installation guide walks you through everything you need, from preparing your signature to adding it into Apple Mail App, so your emails always display a clean, professional, and consistent signature. Follow along to ensure your HTML email signature installs smoothly and works flawlessly across all devices.

Key Install Guide
Install with app, supports automatic installs & updates.You can find your Signature Key on your Email Signature Rescue Dashboard, or in the email sent to you by your Admin. Copy your Key now and get ready to paste it when prompted, following the Key Install Guide.
Direct Install Guide
Install directly, no automatic install & updates.You can find your HTML file on your Email Signature Rescue Dashboard, or it is attached to the email sent to you by your Admin. Open the HTML file in your browser, then follow the Direct Install Guide.
Key Install Guide
Install with app, supports automatic installs & updates.You can find your Signature Key on your Email Signature Rescue Dashboard, or in the email sent to you by your Admin. Copy your Key now and get ready to paste it when prompted, following the Key Install Guide.
Direct Install Guide
Install directly, no automatic install & updates.You can find your HTML file on your Email Signature Rescue Dashboard, or it is attached to the email sent to you by your Admin. Open the HTML file in your browser, then follow the Direct Install Guide.

Key Install Guide: Apple Mail App iOS

Install with app, supports automatic installs & updates.You can find your Signature Key on your Email Signature Rescue Dashboard, or in the email sent to you by your Admin. Copy your Key now and get ready to paste it when prompted, following the Key Install Guide.
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Direct Install Guide: Apple Mail App iOS

Install directly into software, no automatic install & updates.You can find your HTML file on your Email Signature Rescue Dashboard, or it is attached to the email sent to you by your Admin. Open the HTML file in your browser, then follow the Direct Install Guide.
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New in December 2025
Use this iCloud link for an easy shortcut installer, right on your iOS device! Save your Signature Key, refresh your Key when updates are made from the Dashboard and easily copy your signature, ready to paste in your iOS email app. Full instructions included in the shortcut.
Open this link on your iOS device: https://www.icloud.com/shortcuts/8fc20f4c0243453f890a2d971fed6be4

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Open your email signature in your device's browser app.

NOTE: Do not open your email signature in your mail app, you must open it in your web browser app.

The easiest way to send ourselves the new HTML Email Signature design directly to our Apple Mail IOS inbox so we can open it in a browser on our IOS device is as follows; log into your Email Signature Rescue account, click on "Edit" next to your signature in the signatures list and then click the "Email" button. This will send your HTML Email Signature directly to you, when you receive the email with the signature file attached please tap on it to open it in your IOS browser.

IOS mobile html email signature install instructions step 1
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Tap and hold on some text in your email signature such as the name, then tap Select All. Your email signature will be highlighted, then tap Copy.

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Go to your Settings app and tap Mail, then scroll down and select Signature.

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Select either All Accounts or Per Account, whatever is preferred, then tap and hold in the field below. Select the Paste option to insert your copied email signature.

You will notice that your email signature isn't quite displaying correctly. Shake your device side to side until a text box opens prompting to undo changes. Tap Undo and you'll see your signature's formatting is corrected and displays as intended.

Email Signature Template Charity
Email Signature Template 2
Apple Mail App Professional Templates

Stand Out with Beautiful Email Signatures for Apple Mail on iOS

Create professional email signatures that make a lasting impression. Easy to customize, always looks perfect across all email clients.

Apple Mail App Email Signatures
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Close out of your settings and compose a new email. You should see that your email signature is automatically added to the end of your email.

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