Microsoft Outlook made the OST file format, which is used to store emails, contacts, calendars, notes, and other things. It is a copy of the mail system that is always up to date and has all of the user's profile details. When you write and receive a lot of emails at once, your mailbox size quickly grows, which is not good. This post will show you how to check and shrink the size of an OST file in Outlook 2019, 2016, 2013 and others.
How do I find out how big my OST mailbox is in Outlook?
• Pick out your email account in the Mail view.
• Click on Folder Properties on the FOLDER tab.
• Go to the General tab and click on Folder Size.
• You can now see how big each section is in bytes.
Once you know how big your OST mailbox is, you can take the right steps to keep your Outlook mailbox from getting full.
How to Reduce Offline OST file size in Outlook 2019, 2016, and others?
There are several ways to reduce the size of an OST file if you are running out of room in your mailbox. Let's take a close look at each one one at a time.
1. Put old emails in an archive
The best thing to do is to save your older emails in a different Outlook PST file. When you need to, you can get all of your emails, contacts, meetings, and other things from Outlook's archive folders. By default, Outlook stores all of these emails on a regular basis, but you can change this setting by hand by following these steps -
• To archive, open Outlook and go to the File tab.
• Then, click on Cleanup Tools.
• Choose all the files and subfolders you want to archive, then click the "Archive this folder" button.
• Type the information in the "Archive items older than" field.
• Browse to the PST file where you want to move all of these things. If you don't see a place you want to change, click OK to leave it as is.
2. Save files separately
One more thing users can do is save application files somewhere outside of their email. This attachment takes up a lot of room in your Outlook mailbox, so you should store it in a separate folder on your computer.
3. Get rid of old emails
It is best to remove emails that you don't want to keep getting in your inbox. You can also get rid of old emails that you will not need in the future. Old emails will go to the Trash area when you delete them. So, to get rid of those things for good, clean the Trash folder too.
You can only do any of the things above if you take safety measures before store fulfillment. Once it gets too big, it's likely to become impossible to view and won't open in Outlook. This is when a third-party app can help you free up room or shrink your Outlook mailbox without using the Outlook email client itself.
As I already said, you can trust third-party programs when Outlook fails to reduce the size of an OST file. Today, this job is easy to do with a number of different apps. But sometimes they charge a lot of money to do this small job. In this article, I'll talk about a solution that always gives correct results at a fair price. That answer is -
Best and Least Expensive Option is DataVare OST to PST Converter
You can open OST files and see their data in PST format with DataVare OST to PST Converter, a window-based program. This OST Converter works with all versions of Outlook, including older ones. Splitting a big OST mailbox into several small PST files is an option that makes it easy to manage. Outlook users can also do other things to fix the OST email problem. The same as -
What are some of the different functions that this tool can do?
- Send many OST files to PST at once
- You can import OST to PST without having an Outlook or Exchange Server account, and the folder layout and email properties will stay the same.
- Get back data from damaged, lost, or unusable OST files in PST or other forms.
- Keep track of which emails have been read and which have not been read while the exchange is happening.
- Cut down on the size of various OST files as needed.
In the end
Each email app has its own rules about how to store user profile emails in the cloud or as a file. Once users hit the largest Outlook OST file size limit, they will also see this message. I've talked about all of these points of view about OST file size in this piece, including how to check and lower OST file size in Outlook 2021, 2019, 2016, 2013, and other years.
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