Install the S/MIME control. Get a certificate, sometimes referred to as a key or digital ID. The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk.

Tip: Also, refer to the Quick Reference Card: VLOOKUP troubleshooting tips which presents the common reasons for #NA issues in a convenient PDF file. You can share the PDF with others or print for your own reference.

Take a closer look at the macro . You can learn a little about the Visual Basic programming language by editing a macro. To edit a macro, in the Code group on the Developer tab, click Macros, select the name of the macro, and click Edit.This starts the Visual Basic Editor.

You can open the Copilot pane via the Copilot icon in the ribbon's Home tab. This helpful feature provides answers to questions—broad or specific—about your document. You can even iterate and refine with back-and-forth discussions, get a summary or specific information about the document content, or ask it to generate ideas, tables, or lists that you can copy and insert into your document.

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

Find everything you need to manage your Xbox account, profile, and more.

Training: Learn how to get up and productive quickly with this Microsoft Teams Quick Start. Sign in to Teams, select Teams and Channels, reply to conversation threads, @mention someone, use emojis and stickers, and ask T-Bot questions.

Important: When you break a link to the source workbook of an workbook link, all formulas that use the value in the source workbook are converted to their current values.

Microsoft Groove Music is brand new for Windows 10. Add your MP3s to OneDrive and you can use the Groove Music app to play your songs on other devices, too—PCs, Windows Phone, and Xbox—for free.

Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.