I do it again, and I get this error — well, now I can’t show you because Excel is refusing to open up at all. The error indicates that my previous open was unsuccessful, and asks if I would like to open Excel in safe mode. So I close Excel, try to open it again without safe mode, and… nothing.

Upgrade or update Office issues

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. 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. 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.

Office is taking very long to install

Note that it says "The app’s data will be deleted." This does not include your files. What a reset does is reset settings, history, and perhaps more that is specific to the configuration of the program. A progress bar appears and shows progress while the repair happens. Once done, a checkbox will be added to the repair button. A vast community of Microsoft Office365 users that are working together to support the product and others. If individuals in your organization are using an older version of Office, we recommend you upgrade to the latest version.

You get a KERNEL32.dll error when trying to install Office and other system requirement issues

If you're an Office 365 user, do the following to deactivate an installation.If it didn't, tell us more about your issue, including any error messages your received and where you were in the install process when you received it.If the Install button is grayed out, your Office 365 subscription might have expired.When you install Office 2016, all the applications that came with your particular Office product are installed at the same time.For information about installing updates, see Install Office updates.To remove licenses from users, see Remove licenses from users in Office 365 for business.

To check what the latest update is, see Update history for Office for Mac. If you're not sure Troubleshooting Outlook sync problems which operating system you have, see Which Windows operating system am I running? If you're not sure how to decide between 64-bit or 32-bit, see Choose the 64-bit or 32-bit version of Office 2016. Find solutions to common problems or get help from a support agent.

Repairing Microsoft Office

If you're an admin and you aren't sure what plan you have, follow the steps in What Office 365 for business subscription do I have? For a comparison of plans, see compare small business plans or compare enterprise plans. Please let us know if you found any of these solutions helpful by leaving us a comment below.

You don't know what Office 365 product or license you have

You can activate Office on up to five computers per user. 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.

How do I repair Microsoft Office 365 installation?

Comments that don't add value will be removed, including off-topic or content-free comments, or comments that look even a little bit like spam. All comments containing links and certain keywords will be moderated before publication. The easiest way to determine this is to take the document to a different computer running another copy of Microsoft Office and attempt to open the document there. If it works, then it’s likely that your installation of Office is the problem, not the document. If it fails, it’s likely the document itself is at fault.