Home ¬ How to ¬ Clear Partial or Full Memory in Microsoft Outlook?

How to Clear Partial or Full Memory in Microsoft Outlook?

“Couple of days ago, while using Outlook, I got a notification that I am about to run out of mailbox space. I ignored it a few times, but today when I was trying to open Outlook, it was full and won’t allow me to work properly. It is showing notifications like there is not enough free memory to run this program and cannot expand the folder when I am trying to send or receive emails. I have deleted a few emails, but it is still not working. Please help me with and also suggest some tips to avoid it from happening in the future.”

As it has been asked in the query mentioned above, the user is facing storage issues. This happens when Microsoft Office’s memory is full due to a lot of emails and sort of data and items. The simple solution for this issue is to delete the unnecessary data from the application. As the user has also mentioned that even after deleting a few emails, the results were the same. So, readers, there is a catch here; sometimes, even after deleting a few emails do not result fruitful because of the number of emails you have deleted. If you want desired results, you need to delete a decent number of emails, or those emails taking more space.

Let’s move forward and know how to make space in MS Outlook 2016:

Step 1- Open Outlook.

Step 2- Click on the File option on the top left corner.

Step 3- Now click on the Tools option besides the Mailbox Settings.

Step 4- Now, from the drop-down box, select Mailbox Cleanup.

Step 5- This is the time when you select from the given options in the Mailbox Cleanup and get rid of those unnecessary emails blocking your way.

Clear Full Memory in Outlook

Sometimes, the situation is different, and getting rid of a few emails isn’t the option you are looking for. One such case is when you are switching the email account and want to remove all the data from the previous one. Let’s know how to clear the full memory from the program:

Step 1: Get the Profile

First, locate the profile from which you want to remove data. For this, follow the below-mentioned steps:

  1. Open Outlook.
  2. Click on the File tab on the top left corner of the Outlook.
  3. Click on the Account Settings, and from the drop-down, there select Account Settings.
  4. In the Account Settings dialogue box, select the Data Files category.
  5. Now, you will get a list of all of the PST files.
  6. Select one and click on the Open Folder Location option.
  7. Now, when you are at the location of the PST file, minimize that window.

Step 2: Open Mail Setup Window

To open Mail setup Window, follow below-mentioned steps:

  1. Close Outlook if it is open.
  2. Click on the Start button and open Control Panel from the list available there.
  3. In Control Panel, locate and select Mail option.
  4. This will open the Mail Setup- Outlook Window.

Step 3: Get all Profiles and Remove the All Profiles

After getting to the Mail Setup window, follow the steps mentioned below:

  1. Click on the Show Profiles option.
  2. This will open a window with all the related profiles with the Outlook Profile you selected.
  3. Select one and click on the Remove button to remove the profile.
  4. Repeat the process until all profiles are removed.

Step 4: Remove PST Files from the Main Folder Location

Once you delete all the profiles from Mail setup, do it from the folder too by opening the Window we minimized in the first step. Then delete all the PST files available there.

By following all these four steps successfully, you will achieve the desired results.

What if you accidentally deleted something you shouldn’t?

This may also happen that while removing all that data from your system, you actually deleted some important stuff, too and now you are stressing about it. Don’t worry, mistakes happen and there is always an easier way to correct it. If you have deleted some of your emails permanently from your system, then all you need to do is install Kernel for Outlook PST Repair tool in your system. Yes, it’s that easy, just have the software in your system, run it and recover all your lost data in few easy steps. Don’t trust this? Why don’t you try a free version of the tool and experience it yourself! Go to the tool’s page and get the trial version to recover and save a limited number of emails. Here is a screenshot of the tool interface, have a look.


In this blog, we have discussed how one can clear full or partial memory from the Outlook by following a few easy steps. After this detailed discussion, we have also mentioned how to recover accidentally deleted emails and items with the help of Kernel for Outlook PST Repair.



Recommended Related Products
Export Office 365 to PST
Export Office 365 to PST
Kernel for Outlook PST Repair
Kernel for Outlook PST Repair
Kernel for PST Split
Kernel for PST Split
Kernel for Outlook PST Repair

Try it free    See Pricing

Monitor Work from Home Employees with Employee Desktop Live Viewer.

Read More
  • Safe & Secure
  • 2 Million+ Happy Customers
  • Money Back Guarantee
  • Lifetime Free Support
Support Center



We Available At

Stay in touch
Subscribe Newsletter
HACKER SAFE certified sites prevent over 99.9% of hacker crime

Kernel® is a Registered Trademark of KernelApps Private Limited. © Copyright 2020 KernelApps Private Limited. All Trademarks Acknowledged.