Add or remove a digital signature for Microsoft 365 files
To learn about digital signatures (also known as digital ID), what they can be used for, and how to them in Word, Excel, and PowerPoint, see All about digital signatures. In the document or …
Obtain a digital certificate and create a digital signature
To digitally sign an Office document, you must have a current (not expired) digital certificate. Digital certificates are typically issued by a certificate authority (CA), which is a trusted third …
Digital signatures and certificates - Microsoft Support
Digital signatures support this change by providing assurances about the validity and authenticity of a digital document. For more information, see Add or remove a digital signature in Office …
Digitally sign your VBA macro project - Microsoft Support
This article describes how you can digitally sign a macro project on Windows by using a certificate. If you don't already have a digital certificate, you'll need to get one. Tip: To use or …
Error “Something Went Wrong [1001]” signing in to Microsoft …
2023年11月17日 · In the first scenario the error "Something went wrong [1001]" is caused by security software impacting the WAM plug-in (AAD.BrokerPlugin). Please see this article for …
View, manage, and install add-ins for Excel, PowerPoint, and Word ...
View, manage, and install add-ins for Excel, PowerPoint, and Word. When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your …
Unlicensed Product and activation errors in Office
To restore all features of Office, you'll need to fix the problem that's causing activation to fail. Step 1: Sign in to Office with the right account. If Office asks you to sign in, enter the account you …
Sign in to Office - Microsoft Support
Sign in to www.office.com from a web browser and start using the apps on the web or access other web services associated with your account such as OneDrive. How you sign in to an …
Activate Office - Microsoft Support
Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.
Add or remove add-ins in Excel - Microsoft Support
Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add …
Manage workbook links - Microsoft Support
Here's how to ensure that you are retrieving the latest values from your source workbooks. Sometimes, you need to change the source workbook, a workbook link breaks, or you may no …