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  • troubleshoot-outlook-errors7503
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Opened Sep 29, 2025 by Winston Scrymgeour@winstonscrymge
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Outlook 365 Not Working on Windows 10? Top 7 Quick Solutions

Fortunately, with the right Outlook troubleshooting strategies, many of the most common Outlook problems are quite straightforward to troubleshoot. Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is. You might need to set Windows Update to automatically Fix Outlook official help download and install recommended updates.

We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you're still unable to send or receive email, read how to Fix Outlook.com email sync issues. If you are having issues sending email, this might be due to validation issues with your Microsoft Account. We are aware that Fix Outlook official help some users may not be able to receive email from Gmail accounts.

Uninstalling this part of your virus scanner is strongly advised; you’d still be sufficiently protected by your on-access scanner part of the virus scanner. If you get the error "Cannot open the Outlook window" when trying to start Outlook, the error usually indicates that your Folder Pane or Navigation Pane settings holds a corruption. This guide explains all you need to know about that in order to get your Outlook to start without errors again.

Repeat the process for all the add-ins that were selected earlier and wait until the Outlook crashing problem repeats. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost). The steps to access the repair tool vary depending on your operating system.

I would say first things first is figure out if any of Fix Outlook official help these actually resolves her issue, and then (if so) document it on a quick 1-pager that she can follow if/when you’re not available. When the scan is done and errors have been fixed, run scanpst.exe again until no errors are found anymore. If after scanning the file more than 3 or 4 times errors are still found, you might want to copy over your data in a new pst-file. We have tried all things mentioned above (except reconnecting the MS account), but the only solution so far is deleting the users profile. If I run an online repair and reboot her PC it will usually work for a day or two. Kinda at a loss at this point, I am thinking about wiping the PC and starting again.

But the good part is, you can fix most of these problems with simple steps. TrustedTech is a Microsoft solutions Partner in the following areas. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally.

Rohan Wiese is a Technical Content Writer at Aryson Technologies, specializing in databases, e-mail recovery, and e-mail migration solutions. The first thing you should try is to fix the basic Outlook issues. For this, you Fix Outlook official help have to start with repairing the Office installation itself. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem.

I would encourage readers to fix it by trying the solutions in this article. While carrying out the above methods it is advisable to close Outlook beforehand. But little tools that add extra features to Outlook can be the reasons for Outlook corruption. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth. In many organizations, Outlook is one of the most common and core programs that are used from Fix Outlook official help day to day.

You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. If your Outlook is working fine now, it means add-ins are the culprit. But it is important to identify the specific add-in that was causing trouble. To identify that, check the add-ins one at a time and restart Outlook.

Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.

The good news is that most "Outlook won’t open" errors can be resolved with a few proven troubleshooting steps. If the above Fix Outlook official help steps, especially ScanPST.exe, fail to resolve the "Outlook won’t open" error, your Outlook data file is likely severely corrupted or extensively damaged. In such critical situations, a specialized and reliable professional tool like the Aryson Outlook PST Repair Tool becomes the best solution. Yes, you can often fix Outlook without reinstalling Office.

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Reference: winstonscrymge/troubleshoot-outlook-errors7503#6