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.

If you don’t choose an option on that dialog box, Outlook won’t let you do anything else. Pressing Alt+Tab will help you switch from window to window and help you see what dialog boxes might be stopping Outlook from responding. If Outlook isn’t stuck at a screen that says “Processing,” or this didn’t resolve your issue, continue to the steps below. There are a number of possible reasons for Outlook to behave this way. We’ve presented the potential solutions in order from quickest to most time consuming.

If your internet connection is not stable, then there could be a chance that Outlook freezes when sending email. If it does and Outlook starts working properly, then most likely the problem is with one of your add-ins, which leads us to the next step. The first thing we need to do is kill all hanging Outlook processes. To do this, start up the Windows Task Manager either by pressing Ctrl + Alt + Del, or by right clicking the taskbar and choosing “Start Task Manager”.

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.

A lot of times, a user will click on something by accident and change their view and be unsure of how to get it back. If you have Outlook in your startup folder, remove the shortcut from the startup folder. Step 2 - Follow these instructions to install your Office application. Step 1 - Follow these instructions to uninstall your Office applications.

The process of reading the OST file and then exporting it to PST takes a significant amount of time. The time it takes to convert OST to PST depends on your computer’s performance, particularly the speed of your disk subsystem. In other words, when you remove or modify a message, contact, reminder or meeting, the object is only marked as removed, but is not removed physically and remains in the OST file.

For more information about when builds are available for their respective channels, go to Update history for Microsoft 365. We’re investigating the issue and will update this page when a fix is available. If you’re using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue. 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.

This synchronization occurs automatically and transparently, allowing you to work seamlessly between online and offline environments. You can also enable the OST file by turning on or turning off the Cached Exchange mode in Outlook. At a higher level, the more visible changes that you see involve folders and messages. If ScanPST determines that a specific block of the structure or table is unreadable or corrupted, ScanPST removes it.

If you have a large number of items in any single folder, you may experience performance issues during certain operations. For more information, see Outlook performance issues when there are too many items or folders in a cached mode .ost or .pst file. An out-of-date antivirus program may sometimes cause errors when you try to start Outlook as there may be compatibility issues between your antivirus program and Outlook.

” The problem of slow browser performance affects users of Google Chrome, Mozilla Firefox, Safari, Microsoft… If you’re not using Outlook advanced features, a lighter email account tool may be an option—but consult with your IT team first. Sometimes a Windows update or app update—meant to fix things—ends up causing the problem. Especially if you’re using a different version of Windows, this can break compatibility with Microsoft Outlook or Outlook configuration files. It needs enough RAM, processing power, and hard drive space to work properly.

A corrupted new profile or Outlook profile can lead to delays, crashing, steps to fix Outlook not opening or the Outlook not responding error. If creating a new profile solves your issue, you can return to the Show Profiles dialog and delete your old profile. Your profile stores a variety of settings that control how Outlook looks and feels. You can create a new profile and then add your email accounts to the new profile.

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 steps to fix Outlook not opening 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.