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.

If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.

Performance may be decreased if you use the Outlook AutoArchive feature or sync to Outlook with a mobile device. These processes can use a large number of resources. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If Outlook keeps crashing, you can run the solutions for Outlook loading issues Outlook Diagnostics Tool to scan and fix common issues related to Outlook. Close Outlook and press Window logo + R keys to open a Run dialog box. Select the Include items with the "Do not Auto Archive" checkbox and click ok.

To repair solutions for Outlook loading issues such PST files, you need to use Stellar Repair for Outlook, an advanced Outlook PST repair tool. This tool can repair damaged, inaccessible, and encrypted PST files with complete integrity and precision, regardless of the file size or the degree of corruption. The tool creates a backup of the original PST file (.bak extension) and then tries to repair the original PST file. The time taken by it to repair depends on the level of corruption, inconsistencies, or errors, and size of the mailbox.

MacroView software relies on Microsoft WPF to create its modern interface, which in some cases can be graphics solutions for Outlook loading issues display intensive. The MacroView client also passes most write operations via the %appdata% folder, which, when shared, could slow performance. Some security programs continuously scan the entire workstation for threats leading to poor computer responsiveness. Making some minor changes to your virus scanner software can have a positive impact without compromising security. For example, the MacroView program files folder were already scanned on installation and are not updated during general use, so why not create an exclusion path for this location? We have seen greatly improved Outlook startup times when the exclusion path is set.

To learn more about how to share feedback, see How do I give feedback on Microsoft Office. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers. Please install the Windows 10 Fall Creators Update to fix this issue. Outlook 2016 freezes when you try to preview an Excel file that's solutions for Outlook loading issues attached to an email. 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.

As a result my pst-file was corrupted and my outlook could no longer be started/opened.This tool fixed PST-file. Last, you should replace the damaged file to a recovered one or merely add the recovered file to the list of data files in Outlook. The size of free solutions for Outlook loading issues space on the disk must be at least twice as much as the size of the .pst file you are repairing. The red color of the value in the Required free disk space field informs you that there is not enough space on the disk. You will be able to move on to the next recovery step (the Next button will become available), if the program finds more than one item in the source .pst file. Recovery Toolbox for Outlook uses Microsoft Outlook for creation of new PST files.

After you remove messages or attachments from your mailbox, the PST file size will not necessarily reduce by itself. In order to shrink the size of the PST file, you need to compact it. Disabling unnecessary plugins is a great way to make your Outlook start faster, run more reliably, take less memory. In Outlook 2003 there are three places to look for installed addins and to disable them. The issues documented in this section have been reported after installing the recent updates listed below.

However, you can repair the Outlook data file (PST) using ScanPST.exe, also known as the Inbox Repair Tool. You can follow the below solutions to troubleshoot and resolve the Outlook running slow issue. This guide highlights the causes behind these issues and lists troubleshooting methods to resolve the "Outlook is running slow on Windows system" issue. If you are using an Exchange account in Cached mode, compacting your OST file may help improve performance.

It empowers you to identify recoverable data and restore it to a usable state within Outlook, giving you a much better chance of retrieving your critical information. When the search is over, select one of the files from the list in the central part of the search panel and click the OK button. The path to selected file will be displayed in the address field of Recovery Toolbox for Outlook. If you want to sign in and encounter the situation that your email doesn’t exist, it means your account was deleted before 60 days (about 2 months) or more. In such a case, you can contact the Microsoft support agent to recover deleted accounts. Before talking to a Microsoft agent, be prepared for account-related queries and credentials.