Skip to content

  • Projects
  • Groups
  • Snippets
  • Help
    • Loading...
    • Help
    • Contribute to GitLab
  • Sign in / Register
7
7344outlook-not-opening-on-windows-10
  • Project
    • Project
    • Details
    • Activity
    • Cycle Analytics
  • Issues 9
    • Issues 9
    • List
    • Board
    • Labels
    • Milestones
  • Merge Requests 0
    • Merge Requests 0
  • CI / CD
    • CI / CD
    • Pipelines
    • Jobs
    • Schedules
  • Wiki
    • Wiki
  • Snippets
    • Snippets
  • Members
    • Members
  • Collapse sidebar
  • Activity
  • Create a new issue
  • Jobs
  • Issue Boards
  • Andrew Larocque
  • 7344outlook-not-opening-on-windows-10
  • Issues
  • #6

Closed
Open
Opened Jan 19, 2026 by Andrew Larocque@andrewlarocque
  • Report abuse
  • New issue
Report abuse New issue

Fix Outlook Keeps Crashing on Windows in 3 Minutes

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.

You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally. 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. TrustedTech is a Microsoft solutions Partner in the following areas. Message 2 - The file you're attaching is bigger than the server allows.

Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one. If you need to update your email's POP or IMAP account settings, please go to POP and IMAP account settings for more information.

If you're trying to set up an iCloud account, follow the steps in Add or manage an iCloud email account in Outlook. For Gmail accounts, see Add a Gmail account to Outlook. We go above and beyond the average software reseller because we built our business on trust. As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind.

It could be an issue with a setting on the account, or it could be something external that is blocking normal functions in Outlook. If you're entering a password you know is correct and getting a message that says "incorrect password," then you'll want to read this page. The Authenticator app is designed to help you quickly and safely confirm your identity. With the app, an online intruder would be stuck on the first step of verification, because the Authenticator app is awaiting a one-time passcode, Outlook Fix resource Center your fingerprint, another password, etc. The AppData folder hosts a lot of files, including bookmarks and cached pages. This might be slowing down or overriding other commands in Outlook.

We have created some tables to clarify how to access your email account using Outlook if you are still signed up for one of the providers Microsoft used to champion. There's no shortage of Microsoft Outlook problems, but not all hope is lost. This article will cover how to fix Outlook issues that plague the everyday user in 2023. Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook.

I ran the Classic Outlook Advanced Diagnostics troubleshooter but that did not provide any useful information. I also ran the Classic Outlook Calendar Check troubleshooter, but that was useless. The first file in the report said that the troubleshooter could Outlook Fix resource Center not connect because Outlook was not connected to an Exchange server. We often install Add-ins in Outlook to enhance Outlook’s functionality.

If you're tired of different bugs slowing things down or dealing with corrupted files, we are happy to show you how Mailbird can give you a better experience. The bad news is that the ScanPST.exe program doesn't work for severely corrupted files. You'll need to acquire a recovery tool designed for bigger jobs. Search "PST Repair Tool" and you'll find many reputable programs who know how to fix this Outlook issue.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, Outlook Fix resource Center but we recommend moving to Windows 11.

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.

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.

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. If you're curious to get started, we recommend downloading Outlook Fix resource Center our free trial. Our support team is available to chat with you about how to effortlessly transfer your Outlook to Mailbird any time. We can say that you will likely need to reinstall your software and reconfigure the firewall settings. Often there is the option to add sites to a whitelist, and you can give more permissions to Outlook.

Assignee
Assign to
None
Milestone
None
Assign milestone
Time tracking
None
Due date
No due date
0
Labels
None
Assign labels
  • View project labels
Reference: andrewlarocque/7344outlook-not-opening-on-windows-10#6