Or, you can disable any antivirus software add-ins that are installed in Outlook. Be aware that if you are connecting to an Exchange Server mailbox, your mailbox or your email messages are already being scanned by antivirus software on the server. Optionally, if you have a Microsoft Exchange online archive, you can move items to that archive or create retention policies to automatically dispose of older items. For more information, see You may experience application pauses if you have a large Outlook data file. These issues might occur if a mailbox contains Outlook not opening on Windows 10 lots of folders or there are lots of items in any one folder. There’s no hard limit to how many folders a mailbox can contain or how many items a folder can contain.

” implementing these steps will undoubtedly provide a comprehensive solution. Always remember to back up your files and maintain a healthy Outlook environment to minimize future issues. Moreover, this tool can quickly recover email messages, calendars, tasks and other data from corrupted PST files. It also offers a filter option; users can filter items using different criteria when they want to have only the desired items to process. So, learn how to fix corrupted Outlook data files (PST) without the ScanPST.exe tool. Whether you are a Microsoft Outlook, Exchange or Office 365 user, you may come across or encounter the PST files.

These Outlook data (PST) files store user’s data, including email messages, calendars, tasks, journals, etc. However, if the SCANPST or Inbox Repair tool fails to repair the PST file, remember to use an advanced Outlook PST repair tool, such as Outlook not opening on Windows 10 Stellar Repair for Outlook. It can repair corrupt, inaccessible, or encrypted PST files of any size, with complete integrity. In this guide, we will mention the common reasons behind the Outlook PST file corruption and the methods to repair corrupt Outlook PST file with complete integrity and precision.

You can mitigate this higher cost by using Appointment Recurrence settings to set an end time or maximum recurrence count. Then, you can create a new recurring meeting instead of extending the existing recurrence. To reduce the number of items that are stored locally, limit the synchronization window that’s used for shared folders. To fix performance issues that affect shared folders, try the following method. To fix performance issues that affect your Calendar, Mail, or shared folders, use the following resolutions, as appropriate. The built-in back-off mechanisms in the indexing component of Windows Search or WDS pauses the indexing of Outlook data when the system is under heavy use.

However, you might experience decreased performance as the number of items approaches 10,000 calendar items, 10,000 folders, or 100,000 mail items per folder. Large numbers of recurring meetings or long-lived recurring meetings can also have an exaggerated effect on performance. One-time meetings have a relatively small effect, and long-lived, recurring meetings have a greater effect. A change that’s made in an instance of a recurring meeting creates exceptions that are stored in the recurring meeting series. Every change to the meeting attributes, such as the subject, body, location, or time, creates a corresponding exception. Eventually, these exceptions inflate the size of the recurring meeting and impose Outlook not opening on Windows 10 a greater performance cost.

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If these methods dose not work, you can also try a third party tool, Kernel for Outlook PST Repair tool. The navigation pane is the leftmost pane in Outlook where you’ll find your folder list and the icons to move between Mail, Calendar, People, and Tasks.

For more information, see Introduction to Outlook Data Files (.pst and .ost). 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.

Do not try to save the file with results under the same name as that of the damaged file. It Outlook not opening on Windows 10 is possible to save the recovered data as pst files only if Microsoft Outlook 98 or later is installed on your computer. This Microsoft Office Outlook PST recovery tool is like a data rescue for lost mailboxes.

Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur. The settings in the Send/Receive Group windows let you customize the synchronization rate of the new group. The software can be deployed in virtual, hosted cloud, on-premises, or hybrid network environments. The company sells its software and services directly and through a network of global channel partners. Before using this tool, we recommend making a backup copy of your PST file in case any errors or file corruptions occur to the original file.