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How your signature works

Your organisation manages email signatures centrally with Sigil. Somebody in IT or marketing designs the signature; your own details are filled in from the company directory.

You do not need to set anything up.

Very little, which is the intention.

When you start a new message, reply or forward, your signature appears at the bottom. It carries your name, job title, phone number and anything else your organisation has chosen to include, taken from the company directory rather than typed by you.

If you send from more than one address, the signature follows the address you are sending from.

Replies and forwards may get a shorter signature than new messages, if your organisation has set one up.

Sigil suppresses any signature you have configured in Outlook, so you get one signature rather than two.

If you had a personal signature before, it is not deleted. It is simply not applied while Sigil is active.

Your name, job title, phone number and address come from your organisation’s directory, not from Sigil. A wrong job title is a directory record to be corrected, and the signature will follow within minutes once it is.

Ask whoever maintains your organisation’s directory, usually IT or HR.

Open the “My signature” button on the compose ribbon. It applies the signature on demand and, if it cannot, tells you why. See the My signature pane.

The most common cause is the first time you use it. The automatic path cannot prompt you to sign in, so if a sign-in is needed it stops quietly rather than interrupting you mid-message. Opening the pane once completes the sign-in, and it works automatically from then on.

The signature is applied automatically on Outlook for iOS and Android, but there is no “My signature” button, because Outlook mobile does not support one.

If your signature is not working on your phone, open the pane once on a computer. That fixes the phone too, because the sign-in is tied to you rather than to a device.

Two things on mobile are normal rather than faults: on a reply, the signature is not visible until you expand the compose window to full screen, and a message started from the iOS Share sheet does not get a signature.

A new message you have not typed anything into will not be saved as a draft, even though the signature was applied. Outlook does not save an otherwise untouched message.

The “My signature” pane offers a download. It saves your signature as a self-contained HTML file, which is useful if you want to paste it into another system or keep a copy.

Your own IT team administers Sigil. They can see whether your mailbox is receiving signatures and why an attempt failed, which is more than you can see from Outlook.