This article has guidance for: Organizations with IT-managed Windows devices and updates.

Learn what to do if you see error 0x803F9006 when you start a game or app on your Xbox console.

See how to view the details for signatures and certificates.

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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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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 ...

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 ...

You see the following error code and message when you launch a game or an app on your Xbox console: 0x803f8001

Summary Email signatures create professional consistency across your business communications and ensure recipients have your contact information in every message.

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