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on February 3, 2026
Start Outlook in safe mode to fix "Processing" screenIn Windows 10, choose Start, type Outlook.exe /safe, and press Enter.In Windows 7, choose Start, and in the Search programs and files box, type Outlook /safe, and then press Enter.In Windows 8, on the Apps menu, choose Run, type Outlook /safe, and then choose OK.
Here, we list fixes for the possible causes, starting with the most likely culprit. Go in order so you have best chance of getting back to your inbox as quickly as possible. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again.
If your account is affected, be sure to secure your account and update your recovery information. "I had a large PST file that was causing Outlook to crash. Cigati handled it like a breeze. The software is user-friendly and provides clear instructions. I'm so glad I found this tool." If your Microsoft account recovery request wasn't granted, you can keep trying as many times as you want, up to two times per day.
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.
Use the classic Outlook for Windows connectivity troubleshooter to troubleshoot Outlook connectivity issues. Post questions, follow discussions and share your knowledge in the Outlook.com Community. Switch your alias to an Outlook.com or Hotmail.com account.
Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com. If you're still unable to send or receive email, read how to Fix Outlook.com email sync issues. Some customers may experience a delay when trying to create a new email address, or alias, for their Outlook.com account. If you're having problems sending best way to fix Outlook errors or receiving email, read how to Fix Outlook.com email sync issues.
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.
Also, this specific kind of situation is rare, and it will always be entered in the ScanPST log file. If ScanPST determines that a specific block of the structure or table is unreadable or corrupted, ScanPST removes best way to fix Outlook errors it. If that block was part of a specific item in Outlook, the item will be removed when it is validated. It is located in the folder of your original Personal Folders (.pst) file.
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 can open the original Outlook Data File, you might be able to recover additional items. The Inbox Repair tool creates a backup file with the same name as the original, but with a .bak extension, and saves it in the best way to fix Outlook errors same folder. There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't. If you're using an Exchange email account, you can delete the offline Outlook Data File (.ost) and Outlook will recreate the offline Outlook Data File (.ost) the next time you open Outlook.
Click on the below button to download this utility and secure your data from any unforeseen situation. Ad blockers, privacy extensions, or script blockers can best way to fix Outlook errors break Outlook Web. Temporarily disable browser extensions one by one and then reload Outlook Web to check if it works after disabling each extension. Corrupted cache files can prevent Outlook Web from loading. Select Site settings and click the Reset Permissions button.
You can opt for the desired Mode of Recovery, i.e., Standard, Advanced, and Deep, as per the level of corruption in the PST file. With the help of the PST File Repair Software, you can repair the PST file using the Deep Mode that is severely damaged to a great extent. best way to fix Outlook errors The Cigati PST File Recovery software is a powerful tool that can handle even severely damaged Outlook email files.
Moreover, this utility allows you to repair multiple PST files simultaneously without needing any modifications. Whether you're dealing with ANSI or Unicode PST files, the tool can effectively recover them, ensuring data integrity and recovery. Stellar Repair for Outlook Technician best way to fix Outlook errors repairs corrupt PST files and recovers complete mailbox data. It 'Compresses' or 'Splits' the repaired PST that reduces further chances of corruption.