Important: If you digitally sign a document by using a digital certificate that you created, and then you share the digitally-signed file, other people cannot verify the authenticity of your digital signature without manually deciding to trust your self-signed certificate. Browse to the folder that contains your Microsoft Office program files.

Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.

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.

If you sign in to your account while traveling or if you install a new app that signs in with your account, you may get an alert. We just need you to provide a security code so we know it was you, and that your account is safe. To learn what you can do about unusual activity, select one of the following headings. It'll open to show more info.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Uninstall from Control Panel In search on the taskbar, enter Control Panel and select it from the results. Select Programs > Programs and Features. Press and hold (or right-click) on the program you want to remove and select Uninstall or Uninstall / Change. Then follow the directions on the screen. Need more help? If you can't find an app or program, try the tips in See all your apps in ...

Provides an SHA-2 code signing support update for Windows Server 2008 R2, Windows 7, and Windows Server 2008

Describes an issue in which a newly federated user can't sign in to Office 365, Azure, or Microsoft Intune because of user name issues. Provides a resolution.

To work around this issue use Outlook Web Access (OWA), Office Web Applications, or mobile applications. As we work through the issues that cause the 1001 error, we are listing out the primary root cause scenarios in the ISSUE section above. Please review that section to see which may apply to your environment. The Microsoft 365 teams are investigating this issue by analyzing logs provided by ...

To prevent NTLM Relay Attacks on networks with NTLM enabled, domain administrators must ensure that services that permit NTLM authentication make use of protections such as Extended Protection for Authentication (EPA) or signing features such as SMB signing.