Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using the iOS Mail app.

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Learn how to fix error 0x87DD0006 or 87DD0006 so you can sign in to Xbox Live on your Xbox One console and PC.

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See how to view the details for signatures and certificates.

To learn about digital signatures (also known as digital ID), what they can be used for, and how to use them in Word, Excel, and PowerPoint, see All about digital signatures. Create a signature line in Word or Excel (desktop) In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, select Add a Signature Line in the Text group. In the ...

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Restore account credentials from Microsoft Authenticator You can restore or recover your account credentials saved by Microsoft Authenticator. Note You can only backup and restore on the same device type. For example, accounts backed up using an iOS device cannot be restored on an Android device.

ASCII and Unicode character encoding enables computers to store and exchange data with other computers and programs. Below are lists of frequently used ASCII and Unicode Latin-based characters. For Unicode characters for non-Latin-based scripts, see Unicode character code charts by script. In this article Insert an ASCII or Unicode character into a document Common symbol character codes Common ...