Outlook is one of the standard email clients used in the corporate world. With time, the performance of this powerful email client gets degraded due to some or other reason. This performance issue is found even in later versions like Windows 10 and 11.
We shall discuss some common fixes for Outlook running slow in Windows 10. Let us first understand the reason for the degraded performance of Outlook.
Repairing a damaged Outlook profile can also be one of the solutions for the slow running of Outlook.
Open Control Panel and select Mail.
Select Email Accounts.
Click on the Email tab, under Account Settings.
Select your profile and click on Repair.
Follow prompts on the Repair Wizard. Click Finish.
Restart Outlook once the repair is done.
Method 3: Create a new Outlook profile
After opening Mail from Control Panel, click on Show Profiles.
Select the Add button and enter the name of the new profile.
Select a profile to be used and click OK.
Restart Outlook with the new profile.
Method 4: Download all the Outlook items
You must download all the messages and attachments in Outlook when it is connected to IMAP or POP3. This will prevent syncing of Outlook with IMAP and POP3 every time opening a new mail. Continuous syncing also hampers Outlook’s functioning.
Method 5: Reduce Outlook Data
One of the major reasons for Outlook’s degraded performance is too much unnecessary data in Outlook.
Reduce calendars- Outlook extracts data from the internet, and one such least important data is calendars from different countries. Try to keep calendar data and a list of holidays only in the required country.
Archive inbox mailboxes- archive all mailbox items prior to the last two months. You can also set up Outlook in auto archive mode, which will prevent unnecessary piling of emails.
Method 6: Compact PST files
Go to File and select Account Settings.
Click on Data files.
Select the data you wish to compact and select Settings.
Under the General tab, click Compact Now. Then click OK.
Method 7: Repair using scanpst.exe
Outlook has an inbuilt Inbox Repair Tool that can repair small PST errors which might otherwise affect the working of Outlook.
Locate Scanpst.exe double click on it.
Browse the corrupt PST file under Inbox Repair Tool.
Select the option Repair.
Restart Outlook once the repair process is completed.
Method 8: Use Third Party Software
This is the last yet perfect solution for Outlook running slow in Windows 10/11. One of the common reasons for the reduced performance of Outlook is corrupt PST files. These damaged PST files not only hamper Outlook progress but also worsen the situation. In this case, we have Kernel for Outlook PST Repair that recovers and retrieves damaged Outlook mailbox items. This includes emails, contacts, attachments, drafts, tasks, deleted items, and much more. You can use this tool to scan all your Outlook data while maintaining data integrity.
To prevent slow Outlook execution in Windows 10/11, ensure that Windows is updated and meets all hardware and software requirements. You must also try to keep the file size limit of OST and PST files up to 10GB. The Outlook PST Repair is one such a tool that guarantees improved Outlook performance and accuracy by repairing PST files.
This article is a lifesaver! I’ve been struggling with slow performance in Outlook on my Windows 10 machine for weeks, and this article provided the perfect solution. Thanks to this article, I was able to identify the cause of the problem and take the necessary steps to fix it. Thank you for your efforts in helping Outlook users optimize their experience on Windows 10.