Add or remove a digital signature for Microsoft 365 files
Learn how to add or remove digital signatures for Microsoft 365 files, which are electronic, encrypted stamps of authentication. Find out what a digital signature is, how to create a signature line, and how to sign or remove a signature in Word or Excel.
View digital signature and certificate details - Microsoft Support
Learn how to view information about a digital signature or the certificate that is used to create the signature in Word, PowerPoint, and Excel. Find out how to determine if the signature is valid, invalid, recoverable, or partial.
Digital signatures and certificates - Microsoft Support
Learn how to use digital signatures and certificates to authenticate and protect digital documents in Office files. Find out what a digital signature is, how to get a signing certificate, and what assurances it provides.
Obtain a digital certificate and create a digital signature
Learn how to use SelfCert.exe to create a digital certificate for digitally signing Office documents. Find out where to download SelfCert.exe and how to view your certificate in Internet Explorer.
Enable or disable macros in Microsoft 365 files
Learn how to enable or disable macros in Excel and other Microsoft 365 apps. Find out how to make a document trusted, change macro settings, and protect yourself from macro viruses.
I get warnings about a program accessing email address information or ...
A program is trying to access e-mail address information stored in Outlook. If this is unexpected, click Deny and verify your antivirus software is up-to-date.
Access your Account Privacy Settings - Microsoft Support
Learn how to adjust your privacy settings in Office applications for Windows, Mac, Web, iOS, and Android. Your settings will roam across devices if you sign in with the same account.
Manage your Microsoft 365 subscription or Office product
Learn how to access and manage your Microsoft 365 subscription or Office product from your Microsoft account dashboard. Sign in with your personal or work or school account and follow the steps to install, renew, cancel, or share your subscription.
Sign in to Office - Microsoft Support
Learn how to sign in to Office apps on different devices and web browsers with your Microsoft account or work or school account. Find tips for managing your account profile, switching between accounts, and troubleshooting sign in issues.
Activate Office - Microsoft Support
Learn how to activate Microsoft 365 or a non-subscription version of Office on your device. Find troubleshooting tips for common activation errors and product keys.
Remove or turn off hyperlinks - Microsoft Support
Learn how to delete hyperlinks from text or cells, disable automatic hyperlinks, and change the Ctrl+Click setting in Word and Outlook. Follow the steps and screenshots for each option.