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-party entity that issues digital certificates for use by other parties.
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 files. What do you want to do? What is a digital signature?
Find what you need with search in Microsoft 365 apps
At the top of your Microsoft 365 apps on Windows you'll find the Microsoft Search box. This powerful tool helps you quickly find what you're looking for, from text to commands to help and more. Let's take a look at what it can do for you.
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-party entity that issues digital certificates for use by other parties.
Keyboard shortcuts in Microsoft 365 - Microsoft Support
Many users find that using Microsoft 365 apps with keyboard shortcuts on an external keyboard helps them work more efficiently. For users with mobility or vision disabilities, keyboard shortcuts can be easier than using the touchscreen, and are an essential alternative to using a mouse.
Create a flow chart with SmartArt - Microsoft Support
This article explains how to create a flow chart that contains pictures. You can use the methods described in this article to create or change almost any SmartArt graphic. Try different layouts to achieve the results you want. What do you want to do? On …
Get creative with 3D models - Microsoft Support
On Windows and macOS, Word, Excel, PowerPoint, and Outlook support inserting 3D models directly into your documents, workbooks or presentations to illustrate a point. You can rotate models 360 degrees or tilt up and down to show a specific feature of an object. Want to see live examples? Get templates.
Edit a slide master in PowerPoint - Microsoft Support
Every PowerPoint presentation you create contains a slide master with related slide layouts and a theme. You can customize the slide master and the related layouts to make them work with the text and other objects that you want to put on your slides. On the View tab, select Slide Master.
Improve accessibility with the Accessibility Checker
In the Accessibility pane, review and address the findings under Inspection Results. In the Accessibility pane, you'll see a list of errors and warnings, with how-to-fix recommendations for each. To quickly correct the issues, apply one of the recommended actions.
Create a presentation in PowerPoint - Microsoft Support
Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.
PowerPoint for Windows training - Microsoft Support
Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.