Large cache is often the cause of corruption, reduce the risks by reducing the size of the cache. For more information about performing a clean boot, see How to perform a clean boot in Windows. For a list of antivirus software vendors, see Consumer antivirus software providers for Windows. Outlook stores certain data, such as email signatures and the spelling checker dictionary, in the AppData folder. If the network is performing slowly, repair Outlook data file Outlook must wait for read and write operations to the AppData directory to finish.

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 repair Outlook data file 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.

You can also connect to a different Wi-Fi source to see if that resolves the problem. Problematic add-ins can interfere with Outlook’s startup process. Safe Mode loads Outlook with only essential components, allowing you to isolate and disable faulty add-ins. We have tried all things mentioned above (except reconnecting the MS account), but the only solution so far is deleting the users profile.

Check the status bar at the bottom of the screen to see if another process is repair Outlook data file running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. Customers with only a 3rd party email address set up as the username of their Microsoft Account will be asked to add a 1st party Microsoft alias to their account before accessing Outlook.com. You might need to set Windows Update to automatically download and install recommended updates.

The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection. We have since reverted to the right data file and the outbound email flow has returned to a normal state. We also released a new rule that corrected the wrong campaign verdict for all impacted customers during the incident. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues. Maybe you've added a new program to your computer that doesn't get along with Outlook, or your system has a virus.

For more information, see Outlook performance issues when there are too many items or folders in a cached mode .ost or .pst file. When you install Office, an Inbox Repair Tool (SCANSPST.EXE) is also installed on your PC. The Inbox Repair Tool can resolve issues by scanning your Outlook data files and repairing errors. Resolving Outlook’s "Loading Profile" hang involves a mix of system checks, process management, and profile or data file repair. Applying these targeted steps gets Outlook running smoothly and restores access to your mailbox.

If the self-help doesn't solve your problem, scroll down to Still need help? Switch your alias to an Outlook.com or Hotmail.com account. Customers using the contact support buttons at the foot of the support pages, or the "email us" links in support Virtual Agent, are unable to open the Help Pane. Check that you have not accidentally blocked the Gmail domain when blocking one Gmail user. Connect with experts, discuss the latest Outlook news and best practices, and read our blog.

Some users may not be able to empty their Deleted Items folder. We will update this article as soon as we have more information on a fix. Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field.

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.

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.

Before proceeding to the steps below, consider backing up your Outlook data file. The Inbox Repair tool should also create backups before you begin the repair process. Whether you backed up the data file manually or with the Inbox Repair tool, we recommend remembering the backup location. In the Folder Pane, you might see a folder named Recovered Personal Folders that contains your default Outlook folders or a Lost and Found folder. Although the repair process might recreate some of the folders, they may be empty.