iCloud Mail signature: how to add one on icloud.com, and what plain text means for it

An iCloud Mail signature on icloud.com is set in three steps: open Settings, choose Composing, then tick Add a signature and type your text. Apple’s page calls it a plain text signature, so there is no logo, no colour and no bold in it. These steps follow Apple’s iCloud User Guide page on creating a signature in Mail on iCloud.com, read on 5 October 2026, with two other Apple pages for the Mac and iPhone options.

Add an iCloud Mail signature in three steps

Apple’s page lists three steps for creating the signature. The menu names below are Apple’s.

1. Go to icloud.com/mail and sign in to your Apple Account if you are asked to.
2. Open Settings. Select the button at the top of the Mailboxes list, then choose Settings.
3. Choose Composing, then add the signature. Select Composing in the sidebar, scroll down, select the Add a signature checkbox, then type your signature text.

Apple says the signature appears on any new emails you send. The page does not mention a save button, so it does not tell us whether the text is stored the moment you stop typing. After you type it, write a test message and look at the bottom before you trust it.

What plain text means for an iCloud Mail signature

Apple’s opening line says you can create a plain text signature that appears automatically on every email you send from Mail on iCloud.com. That is the whole feature as described. The page does not give a character limit, does not describe any formatting buttons, and does not mention pictures, links or more than one signature.

Apple’s Mail User Guide for Mac explains what plain text is in general. It says plain text format does not include formatting such as bold or italic text, or items like tables and images, but is readable for all recipients. Rich text (HTML) can include formatting, tables and images, but may be unreadable for some recipients.

So for the web version, plan around text on lines:

• No logo. There is nowhere to put an image.
• No bold name. Use a plain line and let the order do the work.
• No coloured divider. A line of short dashes will not match your brand, so leave it out.
• No hidden links. Write the web address in full so a reader can copy it even if their app does not make it clickable.

A plain text layout that still looks tidy

Four short lines say who you are and how to reach you. Here is a layout, with an invented person.

Line	Content
1	Amina Bello
2	Practice Manager, Linden Court Dental
3	+44 1632 960 214
4	https://lindencourt.example

Put the name first, then the role and company, then one phone number, then one address. Add a fifth line only if the reader truly needs it. A long block of text is harder to read in plain text than in a formatted signature, because there is no spacing or colour to separate the parts. Our guide to the plain text email signature has more layouts and the line rules.

What the designed version looks like, and where it cannot go

For comparison, here is the same kind of person with a designed signature drawn by emailfooter. This is the version Apple’s web page does not accept, because it needs a logo, links and layout.

Example only. The practice and person are made up. This designed version cannot be typed into the icloud.com box.

If you want that look on an iCloud address, you need a mail app that takes formatted signatures. Apple’s pages describe two of its own.

Where to go for a formatted signature

Apple’s pages for its own apps differ from the web box, so check each before you build anything.

• Mail on Mac: choose Mail, then Settings, then Signatures. Apple says you can format text with the Format menu, add lists, and drag an image into the preview area. Our guide to how to add a signature in Apple Mail has the full steps.
• Mail on iPhone: go to Settings, tap Apps, tap Mail, then tap Signature below Composing. Apple’s wording is that only text can be used in those signatures. If you have more than one account, Per Account sets a different signature for each. See how to change an email signature on iPhone.

Apple’s pages do not say whether a signature set on icloud.com shows up in the Mail app on your Mac or iPhone, or the other way round. Treat the three as separate settings and check each one with a test.

Turn the iCloud Mail signature off

Apple gives a short route to stop using it. Go to icloud.com/mail, sign in, select the button at the top of the Mailboxes list, choose Settings, select Composing, then deselect the Add a signature checkbox.

Apple words the effect as stopping the signature on any new emails you send. It does not say whether the text is kept for later, so copy it somewhere before you untick the box if you may want it back.

Replies and forwards

The page uses two phrasings. The introduction says the signature appears automatically on every email you send. The steps say it appears on any new emails you send. Apple does not explain the difference, so whether a reply or forward carries the signature is something to test. Reply to yourself from icloud.com and note what you see at the bottom.

When your iCloud Mail signature does not show

1. The box is not ticked. Go back to Composing and check Add a signature.
2. You are in a different place. A signature written on icloud.com is not obviously the one the Mail app on your phone uses. Check the app’s own settings.
3. You are looking at a reply. See the section above.
4. The text is empty. Scroll down in Composing and make sure something is typed in the box.
5. You expected formatting. Plain text cannot hold it. Switch to a formatted app, or accept the text version.

An iCloud Mail signature across a team

A shared look is difficult on icloud.com, because each person types the signature by hand into a plain box. emailfooter is a free WordPress plugin where a company designs one signature and each employee follows numbered steps for their mail app, with iCloud among its 16. It cannot place a signature in an iCloud account for anyone, and it is English-only for now. A designed signature cannot be pasted into the icloud.com box, so use a plain text variant there and the full design where the app allows formatting. Our comparison of email clients that support HTML signatures shows which apps those are.

Frequently asked questions

How do I add an iCloud Mail signature?

Go to icloud.com/mail, open Settings from the button at the top of the Mailboxes list, select Composing, tick Add a signature and type your text.

Can I add a logo to my iCloud Mail signature?

Not on icloud.com. Apple’s page describes a plain text signature. Use Mail on Mac, where you can drag an image into the preview area.

Is an iCloud Mail signature plain text or HTML?

Apple’s page says plain text. It does not describe formatting or HTML for the web signature.

How do I remove an iCloud Mail signature?

Open Composing in the icloud.com Mail settings and deselect Add a signature.