If you have a Microsoft 365 plan, to keep it active, you have to sign in at least once every 30 days. You might get an error that has a number and maybe some descriptive text. Although the messages are hard to understand, there are often solutions. If Office is taking a long time to install you may be on a slow connection. If Office still won't install, check that your computer meets the system requirements to install Office.
Install updates on a Mac
Therefore, admins should view the issues and solutions listed under both the Office for business and Microsoft 365 Admin tabs. This could happen because of a delay between your initial sign in and Office 365 for business setting up your environment. If your admin has given you permission to install updates, the Microsoft AutoUpdate makes sure your copy of Office will always be up-to-date with the latest security fixes and improvements. To install or check for updates on your Mac, see Check for Office for Mac updates automatically.
For steps to install an offline version of Microsoft 365, see Use the Office offline installer and select the correct How to fix Office 365 login errors tab for your version of Office. A vast community of Microsoft Office365 users that are working together to support the product and others. If you're not sure what plan you have, follow the steps in What Office 365 for business subscription do I have?
re installing office still get corrupt message when opening office apps
To remove licenses from users, see Remove licenses from users in Office 365 for business. If a user needs to install Office on a sixth computer, you have to deactivate an installation. Deactivation doesn't remove Office from the computer, but you can't use Office on that computer until you activate it. See Deactivate Office 365 if you see a "limit reached" error. The links below are specific to admins looking for troubleshooting help with these Office 365 services. For more general (not admin specific) help in these areas, see the Additional help section on the Office for Business tab of this topic.
Set up and upgrade
- Not all Office 365 subscription plans come with the fully installed Office applications.
- For information about installing updates, see Install Office updates.
- This could happen because of a delay between your initial sign in and Office 365 for business setting up your environment.
- See the bottom of the Office for business column for a list of plans that don't include the Office desktop client.
- Deactivation doesn't remove Office from the computer, but you can't use Office on that computer until you activate it.
- To install or check for updates on your Mac, see Check for Office for Mac updates automatically.
- See System requirements for Office for a list of additional requirements.
The Microsoft 365 offline installer may help bypass potential proxy, firewall, antivirus, or Internet connection issues that might occur during an Microsoft 365 installation. If you're still unable to install Office following the steps in Download and install or reinstall Office try using the offline installer. Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC. If you're looking for the steps to download and install the latest version of Office such as Microsoft 365, Office 2021, Office 2019, or Office 2016, see Install Office on your PC or Mac. If individuals in your organization are using an older version of Office, we recommend you upgrade to the latest version.
Upgrade or update Office issues
If you are still having problems, tell us more about your issue, including any error messages your received and where you were in the install process when you received them. You can also choose to have users sign into the Office 365 portal with their work or school account and follow the steps in Install Office on your PC or Mac to install Office themselves. If you've used up your five installs and want to install Office on another computer, you have to deactivate an installation. If that didn't help, use this troubleshooter to uninstall Office completely. Please let us know if you found any of these solutions helpful by leaving us a comment below.
If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem. When you're done, you might need to restart your computer. If you need more licenses, see Buy licenses for your Office 365 for business subscription. To remove a license from your subscription, see Remove licenses from your Office 365 for business subscription. See Uninstall Office for Mac for instructions on uninstalling the Office apps.
How do I repair Microsoft Office 365 installation?
To troubleshoot Mac activation issues, see the "Activation" section in What to try if you can't install or activate Office for Mac. Office up-to-date ensures that you have the latest security updates and fixes. If your admin has given you permission to install updates, see Install Office updates. For example, you can't install Office on computers running Windows Vista or Windows XP, or on devices that aren't running a supported Windows or Mac operating system. However, you may still be able to use Office Online in your computer's browser.
How do I deploy Office to multiple computers in my organization?
For example, you can't install Office on computers running Windows XP or Windows Vista. Free fully functional download of Revo Uninstaller Pro, Pro Portable and Revo Uninstaller Freeware. The steps to access the repair tool vary depending on your operating system.
To troubleshoot Mac activation issues, see the "Activation" tab on What to try if you can't install or activate Office for Mac. If there's a Learn More link on the error message, select that. If there's no link, let us know what error you got and where you were in the install process when you received it. Leave us a comment at the bottom of this page to let us know more about your issue. If you're a student or teacher, and you don't see an option to install Office through your institution, you may be eligible for Office 365 Education, which includes Word, Excel, PowerPoint, and OneNote. You can't install the desktop PC or Mac versions of Office on your Chromebook, but depending on your Chromebook you may be able to install the Office mobile apps.