A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.

When you need signatures for your documents, there's no need to send multiple drafts or back-and-forth emails to people. Now you can attach documents in e-sign requests and send them directly in Approvals on your desktop or mobile device. Note. Approvals via Adobe Sign and DocuSign are not available in Government Community Cloud.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

AI credits measure your use of AI features within Microsoft 365 and Windows applications. For example, asking Copilot to “summarize my inbox” would deduct one AI credit. Your AI credits will deduct automatically as you use Copilot in Microsoft 365 and Windows apps, including Designer, Create, Photos, Paint, Photos, Notepad, Word, and Excel.

Your digital signature, which includes your certificate and public key, originates from your digital ID. And that digital ID serves as your unique digital mark and signals the recipient that the content hasn't been altered in transit.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Those with an eligible Microsoft 365 license will have access to Microsoft 365 Copilot Chat which gives you secure, enterprise-ready AI Chat. Your admin might also choose to assign you a Microsoft 365 Copilot add-on license which can help to increase employee productivity and streamline processes.

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

If you're trying to register a credential and expected a push notification in your Authenticator app on your current phone - but didn't see one - it may have been sent to the Authenticator app on a different device.

You must sign IntegrityCheck-linked user mode PEs using Trusted Signing (formerly Azure Code Signing). The cross-signing program is deprecated and new signing certificates will not be issued.