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  • Jackson Rothschild
  • outlook-startup-repair-solutions1980
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  • #16

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Opened Dec 22, 2025 by Jackson Rothschild@jacksonrothsch
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Outlook won't open on my Windows 10 PC have Microsoft 365 and do the Repair and restart but it doesn't work except occasionally if I "Run as administrator" it will open but then will stop working Microsoft Q&A

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.

Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is.Running Out of Mailbox Space. ...Outlook Crashes or Freezes on Opening. ...Recovering Deleted Items. ...Search Is Not Working. ...View Settings.

Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Outlook caches various files to speed up your app experience. When you have issues with the app, it’s likely the app’s cached files are corrupted.

There are quite a few different causes for this, but one of the most common is a defective add-in. Here’s how to disable add-ins in Outlook even when it keeps crashing. If Outlook Desktop fails to connect, try these steps before escalating the issue to the ET&S Help Desk.

The good news is that Outlook has a built-in tool to scan for corrupted files. You can also make PST files a smaller size that won't corrupt as easily. If you are using Outlook on a PC, you can check to see what is currently permitted by your computer or try to reset the Credential Manager and remove any old passwords. There are a number of reasons this issue arises, which makes it even how to stop Outlook freezing more infuriating.

If you’re still having problems, you can try resetting your Windows Firewall settings back to default. Once the add-ins are disabled, close Outlook 2016 and restart the application normally to check whether it now opens as normal or not. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts.

For New Outlook issues, check Microsoft’s support pages. TrustedTech is dedicated to being a reliable resource for all software and technology support needs. Our relationship to the Microsoft Partner Network allows us to provide competitive pricing and authentic software and support, all with a much-needed human element. Step 1 - For both Windows and MacOS users, Microsoft Outlook has the ability to recover deleted items Outlook Desktop App. Microsoft has its own tool for automatically scanning and correcting Office when things go awry. You can read about it and then run the Microsoft Support and Recovery Assistant to how to stop Outlook freezing see if that helps.

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. We recently surveyed 287 of our users to ask, "What made you try Mailbird in the first place?". 27% moved to Mailbird specifically because of bugs or support issues with their other email clients, 17% of which specifically called out Outlook. The fact of the matter is, Outlook doesn't always cooperate with your computer other applications.

Microsoft has released a Windows Hotfix file to remove the contacts folder synced by the Teams app. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field.

Once you've changed your password with your email provider, you can update the password in Outlook. See Change or update your email password for more information. If you've successfully sent and received email from classic Outlook before, and now Outlook repeatedly asks you to reenter your password, one of two things may have happened. If you're trying to set up an iCloud account, follow the how to stop Outlook freezing steps in Add or manage an iCloud email account in Outlook. For Gmail accounts, see Add a Gmail account to Outlook. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart.

While we fix the problem, you can send the file as a OneDrive link. When users select the Manage Microsoft Storage quota link at the bottom corner in Outlook.com, they are taken to a blank Settings page. If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. You can check the location of your Outlook Data Files in Outlook. Gmail has a positive reputation when it comes to spam filtering.

If so, wait a short time (usually two or three minutes) to see if Outlook how to stop Outlook freezing starts working again. You might need to set Windows Update to automatically download and install recommended updates. 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.

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Reference: jacksonrothsch/outlook-startup-repair-solutions1980#16