Install and set up Office on an iPhone or iPad - Microsoft Support
网页How Word, Excel, PowerPoint, or OneNote apps work on Android or iOS devices. What you can do in the Office apps with a Microsoft 365 plan. How to install Office for iOS on your iPhone or iPad and use the apps with Microsoft 365.
Activate Office - Microsoft Support
网页Activate a brand new Office product key. Troubleshoot activation errors. Activate Microsoft 365 or a non-subscription version of Office. When you start an Microsoft 365 app that's not activated, you'll be prompted to sign in to Microsoft 365.
Unlicensed Product and activation errors in Office
网页If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.
Office error code 0x80070005 when activating Office - Microsoft …
网页Sometimes Office has trouble completing the activation process. If this happens, you'll see the following error message in Office: "We're sorry, something went wrong and we can't do this for you right now. Please try again later. (0x80070005)" Here are some things you can try to fix the problem.
View, manage, and install add-ins for Excel, PowerPoint, and Word
网页Select File > Get Add-ins. Alternatively, you can also view your add-ins directly from the Home tab by selecting Add-ins. You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins dialog, select My Add-ins tab.
Install Office updates - Microsoft Support
网页Try Microsoft Update or contact your company help desk. To download an update manually, see Office Updates. If you would like to update Office but can't open any of your Office apps, try repairing your Office suite: Go to Control Panel > Programs > Uninstall a program.
Using product keys with Office - Microsoft Support
网页Office is prompting me for a product key. Use your Microsoft account, not your product key, to install and activate Office and individually purchased Office apps, such as Project, Visio, Word, Excel, and Outlook. Sign in to install Office. Bookmark the site below so you always know where to go to install Office.
Open file links directly in Office desktop apps - Microsoft Support
网页This feature works for links to Word, Excel, or PowerPoint files, stored on OneDrive or SharePoint, that you click in Word, Excel, Outlook, or PowerPoint for Microsoft 365 on Windows or Mac. Once a user turns this feature on, it will apply to all three apps - Word, PowerPoint, and Excel.
Fixes or workarounds for recent Office issues - Microsoft Support
网页If you are recently running into installation, activation, or updating issues, please refer to our Fixes or workarounds for recent Office installation or activation issues article. For Office …
How do I upgrade Office? - Microsoft Support
网页To do this you can purchase a Microsoft 365 subscription like Microsoft 365 Personal or Microsoft 365 Family, or the newest one-time purchase version. When you're ready to install your new product, see the section below, I'm ready to install Office and follow the upgrade recommendations.
Recover your Word files and documents - Microsoft Support
网页Recover your Word files and documents. Word for Microsoft 365 Word for Microsoft 365 for Mac Word 2021 More... When Office app closes unexpectedly before you save your most recent changes, Document Recovery automatically opens the next time you open the Office app to help you get your file back.