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* Outlook is running slow in Windows 10/11?
OUTLOOK IS RUNNING SLOW IN WINDOWS 10/11?
Bob Maria | Updated On - November 16, 2023
Read time: 7 minutes
Summary: Outlook running slow on Windows 10/11 can severely impact productivity.
Factors such as large PST files, outdated software and corrupt system files may
be to blame. Users can try several fixes including disabling add-ins, updating
software and optimizing the system. However, if these solutions fail, it is
recommended to use a trusted tool like Kernel for Outlook PST Repair to quickly
and easily fix the issue.
Free Download 100% Secure
If you’re an Outlook user, you know how frustrating it can be to try to work
with a slow system. Unfortunately, this is a common problem for many Windows
10/11 users. Emails take forever to load, searches are sluggish, and tasks
become time-consuming. But do not worry!
There are steps you can take to speed up your slow-running Outlook. In this
post, we’ll discuss the underlying reasons for Outlook’s sluggishness and
provide you with some practical tips and tricks to fix the issue. So let’s begin
and get your Outlook back up and running at full speed.
Table of Content
* Reasons for the slow running of Outlook
* Fix Outlook is running slow on Windows 10/11
* Method 1: Open Outlook in safe mode
* Method 2: Repair the existing Outlook profile
* Method 3: Create a new Outlook profile
* Method 4: Download all the Outlook items
* Method 5: Reduce Outlook Data
* Method 6: Compact PST files
* Method 7: Repair using scanpst.exe
* Method 8: Update Outlook
* Method 9: Use Third party software
* Method 10: Delete unnecessary emails
* Method 11: Disable antivirus temporarily
* Method 12: Turn off Hardware Acceleration
* Summary
REASONS FOR THE SLOW RUNNING OF OUTLOOK
* Oversize PST file
* Corrupt or damaged PST files. To improve Outlook performance, you can repair
corrupt PST files and see whether Outlook regains its speed.
* Oversize OST files. You can repair corrupt OST files and see if the Outlook
performance improves or not.
* Outdated Outlook version.
* Virus and malware issues, faulty add-ins.
* Corrupt emails or files.
FIX OUTLOOK IS RUNNING SLOW IN WINDOWS 10/11
If Outlook is running slow on Windows 11/10, you can try these fixes one after
the other till the issue gets resolved.
METHOD 1: OPEN OUTLOOK IN SAFE MODE
* Press Windows key + R, type outlook.exe/safe, and press OK.
* Now open Outlook and click File.
* Select Options and then Add-ins.
* Scroll down to Manage, select COM Add-ins, and click Go.
* Uncheck all the add-ins.
* Click OK.
Read Also: Office 365 Is Running Slow on Windows 10/11
METHOD 2: REPAIR THE EXISTING OUTLOOK PROFILE
Repairing a damaged Outlook profile can also be one of the solutions for the
slow running of Outlook.
* Open the 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 the 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: UPDATE OUTLOOK
If your Outlook running slow issue still persists, then the next solution is to
check for updates & if it exists, then you need to update Outlook to the latest
version.
* Access Outlook & go to the File menu. Tap on the tab Office Account.
* Next, you need to click on the option Update Option. Select Update Now.
* Once the Outlook update is done, then you might fix the Outlook running
problem.
METHOD 9: 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.
Free Download 100% Secure
METHOD 10: DELETE UNNECESSARY EMAILS
If you’re experiencing slow performance in Outlook on Windows 10 or 11, the last
possible solution is to delete unnecessary emails. As your mailbox fills up with
old emails, it can cause Outlook to run slower due to the increased storage and
indexing required.
By regularly deleting unneeded emails, you can free up space and improve
performance. Consider using filters or search options to quickly identify and
delete large amounts of emails at once. Don’t forget to empty your Deleted Items
folder to fully remove the emails from your system.
METHOD 11: DISABLE ANTIVIRUS TEMPORARILY
Disabling the antivirus temporarily can help identify if it’s causing the slow
performance in Outlook. If the issue persists even with the antivirus disabled,
you may need to consider other troubleshooting steps but first, let us see how
to disable antivirus.
* Look for the antivirus software icon in your Windows system tray, usually
located in the bottom right corner of your screen.
* Right-click on the antivirus icon to access its context menu.
* In the context menu, you should see an option to disable or pause the
antivirus protection. It may be labeled as “Disable,” “Pause Protection,” or
something similar.
* A confirmation prompt may appear asking you to confirm the temporary disable.
Confirm it.
* With the antivirus temporarily disabled, open Outlook and check if it’s
running faster. If the issue is resolved, it indicates that the antivirus was
causing the slowdown.
* After testing, it’s essential to re-enable your antivirus protection to keep
your computer secure. To do this, right-click on the antivirus icon again and
select the option to enable or resume protection.
METHOD 12: TURN OFF HARDWARE ACCELERATION
When you face the issues related to the Outlook running slow on Windows, there
may be some kind of hardware issues. So, you must turn off the hardware
acceleration option in Outlook. Follow the steps.
* From the File menu, go to Options.
* Within the Advanced tab, tick the box next to “Disable hardware graphics
acceleration”
* Hit OK and restart Outlook.
FINAL WORDS
If your Outlook is running slow, deleting unnecessary emails could do the trick.
However, if you have tried all the methods mentioned and you still experience
the same problem, Kernel for Outlook PST Repair is an excellent option.
Its advanced algorithms can repair severely damaged PST files, recovering all
mail components including emails, attachments, contacts, and calendar items. It
is user-friendly and can efficiently recover data from even large PST files.
Give it a try and experience a faster Outlook.
ONE RESPONSE TO “OUTLOOK IS RUNNING SLOW IN WINDOWS 10/11?”
1. Alexia Clocks says:
March 27, 2023 at 11:01
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.
Reply
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