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But it doesn’t mean it’s impossible for some Office 365 issues to occur. The important thing here to remember is that not all problems are caused by bugs or inappropriate coding on the vendor site. The more probable option is that the Office 365 issue occurs, and can be fixed on the client-side. Check the version of Microsoft Office installed on your computer and your subscription name and expiry date. Office 365 applications installed on a computer must connect to Microsoft servers over the internet at least once every 30 days for the license to be checked and validated.  
  
  
  
Please let us know if you found any of these solutions helpful by leaving us a comment below. 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. We'll use that information to help investigate your issue further. 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.  
  
How to perform Office quick repair?   
  
You forgot the account you associated with Office  
  
  
  
For steps to install an offline version of Microsoft 365, see Use the Office offline installer and select the correct tab for your version of Office. 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. The steps to access the repair tool vary depending on your operating system.  
  
Use the NAKIVO solution to back up Microsoft 365 data in Exchange Online, Teams, OneDrive and SharePoint Online for uninterrupted workflows and zero downtime. On the bottom corner of your Outlook, ensure that Outlook is connected. If you see "Working Offline" or "Trying to Connect", Outlook cannot reach the email server.  
  
If the file is not present here, you can manually upload it from the source device to OneDrive to make it appear on other devices.If you are having trouble logging in, first check the number lock and caps lock keys on your keyboard.As the name of this tool suggests, Remote Connectivity Analyzer can identify Office 365 issues with connectivity.Good practice to avoid having Office 365 issues with signing in, is to have a recovery email.If you're still having trouble installing Office, see Contact Office Support.Office 365 applications installed on a computer must connect to Microsoft servers over the internet at least once every 30 days for the license to be checked and validated.  
  
Help with Office product keys  
  
  
  
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. This could happen because of a delay between your initial sign in and Office 365 for business setting up your environment. 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. To uninstall the 32-bit version use this troubleshooter to uninstall Office.  
  
Office 365 Troubleshooting Issues: Common Problems and How to Solve Them  
  
See the bottom of the Office for business column for a list of plans that don't include the Office desktop client. When you install Office it's automatically linked to your Office 365 plan. Use this easy fix tool to uninstall Office and then follow the steps to reinstall Office. Microsoft Office 365 is currently the most popular suite for productivity applications – thus it is important to mention the most common Office 365 issues. Microsoft 365 offers the most reliable solutions for improving team productivity, storage, and communication.  
  
Upgrade or update issues  
  
If your computer can't install the full desktop version of Office because your computer doesn't meet the system requirements, you can try using Office Online in your computer's browser.  
  
If the Install button is grayed out, your Office 365 subscription might have expired. Select your subscription from the list in Renew Office 365 for business to see the steps for how to renew it. 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. If you're a student or teacher and don't see an option to install Office, you may be eligible for Office 365 Education, which includes Word, Excel, PowerPoint, and OneNote. All you need to get started is a valid school email address.  
  
You don't see an option to install Office, check if you have a license  
  
When it’s a problem with an internet connection, Office account sign-in help check your wi-fi or ethernet connection, and contact the internet provided if required. If after running the Remote Connectivity Analyzer Office 365 issues are not fixed, try using Microsoft Support and Recovery Assistant. This tool should be installed on a computer as a standalone application. After installing and running the application and entering the Office 365 account credentials, run tests to identify the problem and find the needed solution. Follow the instructions provided by the assistant to find and resolve Microsoft Office 365 problems. If multiple versions of Microsoft Office are installed, Office 365 activation issues may occur.  
  
  
  
From Outlook desynchronisation to problems with OneDrive connection. The tool can help you detect issues by running tests for many features. To avoid data loss when using cloud applications, perform Office 365 data backup. NAKIVO Backup & Replication is a universal data protection solution that can protect not only Office 365 but also virtual, physical, and cloud environments. Download the software and configure data backup in your environment. OneDrive issues are a separate category of problems with Microsoft 365.