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on November 25, 2025
Once you're able to get back into your account, review How to help keep your Microsoft account safe and secure. Here you'll find guidance for how to secure your account going forward, make it easier to reset a password, and provide additional methods you can use to verify your account. We'll send the results of your recovery request to the working email address you provided at the beginning of the form within 24 hours.
Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. Use the classic Outlook calendar check troubleshooter to identify classic Outlook calendar issues. Use the classic Outlook connectivity troubleshooter to resolve intermittent connectivity issues.
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Follow the prompts to complete the installation process. A vast community of Microsoft Office365 users that are working together to support the product and others. Click Options and select any Log file option, then click OK. Scroll down the programs list and find Microsoft Outlook. If it is not on the list, click on the Change Settings button.
Keep in mind this does take a while, and it’s usually best done after the user has left for the day. This library of articles provides guidance to troubleshoot and <a href="https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html">fix office login credentials</a> errors that you may experience when using Classic Outlook for Windows. For a complete list of articles, browse the navigation pane on the left, or use the search box above the pane to filter by keywords and find help with a specific issue.
Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that seem to be missing. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. C++ is ideal for high-performance applications, system-level programming, and game development. C# is a versatile language developed by Microsoft, often used for Windows applications, game development with Unity, and web development with ASP.NET. Python is highly recommended for its versatility and ease of learning.
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.
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.
If you encountered a problem while installing Office on a PC, try restarting your computer and then attempting to install Office again. If that didn't help, use the uninstall troubleshooter to uninstall Office completely. After your uninstall is complete, try reinstalling Office.
This worked well although only the agenda item are restored, not the attachments and extra information field. If all the above steps failed, then use the Outlook Inbox repair tool to repair the PST file and replace the corrupted PST file in the Mail profile of Windows. It is mandatory to try all the free steps before using the Recovery Toolbox for Outlook. Do not use the Outlook Fix Tool until you have tried all of the above options. I exported from Oulook 365 a folder with a lot of e-mails, ans had a .pst 2,28 Go file. I could of course import the pst file in Outlook, but I did not wanted to do that, in order to avoid duplicates in Outlook.
Below the reset section in the Office Advanced Options (shown above) is an uninstall link. You’ll then need to re-download and reinstall Microsoft Office. If you're not sure what plan you have, follow the steps in What Office 365 for business subscription do I have? It could also happen because you haven't assigned a license to yourself or your users. 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.