Best way to reduce the Outlook PST files- Manually & Third-party solution

in #split5 years ago (edited)

How to reduce the Outlook PST file size? It is a very common query between the users. Because as we know that MS Outlook is the most popular desktop-based email client that is used by multiple numbers of users. It is the most secure email client but sometimes it creates some troubles like- Outlook PST file size increases continuously.
As we know that both (ANSI and Unicode) PST file has fixed size limit. If it is an ANSI PST file, it can only store up to 2 GB of the mailbox data. And if it is a Unicode PST file, it can store 20 GB to 50 GB of the mailbox data.

To solve this issue the user needs to reduce or split the Outlook PST file. There are two methods to solve this problem, one is the manual way and another one is the third-party solution.

Manual way- If user choose manual steps then there are two ways to reduce Outlook PST files-
First- Reduce Size of PST File via Export/Import Methods
Second- Reduce Large PST file Size Via Archive Technique

Reduce Size of PST File via Export/Import Methods

  • Firstly, open MS Outlook application
  • Now go to File Tab option and click Account Settings option then select Account Setting
  • Now select Data Files and Click on Add button option
  • Then select the name and destination to save Outlook PST files
  • Now click on the OK button and close the account settings dialogue box.
  • Next, go to File Tab option and Open then select an Import option
  • Select Import/Export Wizard option then Export option and click on Next.
  • Now select an Outlook data file and click on Next button
  • Select the Folder or subfolder to migrate from and click on the next option.
  • Now browse the location to save Outlook PST file and click on the Finish tab.
  • Note- Please click on cancel if the user does not want to set the password of Outlook PST file.

  • After finish, all process the new PST file appears, which can be easily viewed in any editions of Outlook

Reducing Large PST file Size Via Archive Technique

  • Firstly, open MS Outlook application
  • And select the Outlook data file which the user wants to move to new blank PST file
  • Now select the desired file and select the archive option
  • Then select the folders and subfolders option.
  • The user can also select the date range via “Archive Items Older Than”
  • Now browse the destination location to save the newly created Outlook PST file and hit on the OK button.
  • After complete all the process the new PST files is generated at the desired location.

Using these manual steps the user can easily reduce the Outlook PST file size, but the manual process is a risky task and is not guaranteed to secure all mailbox data. By using the manual method the user needs complete technical knowledge about MS Outlook. An another way the user can try the third-party solution that is more secure to the comparison of the manual method.

The Third-party Solution - Outlook PST Split Tool


MailsDaddy PST Split tool is the most trustable application that easily split the large-sized Outlook PST files into multiple small PSTs without any error. It is an independent utility that easily performs without the installation of MS Outlook. The PST Splitter software comes with many attractive features such as-

  • Quickly add the single and multiple small PSTs.
  • There is no file limitation for Split the data.
  • Maintains data integrity and hierarchy after the split the PST files
  • Attractive and user-friendly GUI interface.
  • Best PST Split options- Split by Date, Size, Email-id, and Folder.
  • Supports all types of Outlook PST files (ANSI & Unicode).
  • Compatible with all versions of Windows OS.

Free Demo- The Outlook PST Split tool also comes with a free demo version that helps to divides the first 20 items from each mailbox of PST files according to the Date, Email-id, and Folder. The split by Size option is not working in the demo version. To use all the option the user needs to purchase the full version of the software that comes with very economical cost.

How does the PST splitter works?


By using these simple steps anyone can easily segment the Outlook PST files data without any hurdle-

  • Download and install the MailsDaddy PST Split tool application.
  • Then add the Outlook PST files by clicking on the Add File or Search option.
  • Select the PST files that the user wants to split it
  • Now select the PST Split option according to his need (Split by Size, Date, Email-id, and Folder)
  • Then give the specific location where the user wants to save it after the divide it.
  • Now hit on the Next option to start the Split task.
  • Wait until the process will complete.
  • When the segment PST files process is complete the confirmation message appears on the Windows screen.
    • It is the most secure way to split all the Outlook PST file data without losing a single bit. The best part of the software is that it gives 24x7 technical supports for all the users who want to reduce his PST file size.

      Conclusion- In the article, we have discussed how to reduce Outlook PST file size easily and I have described all the manual steps and third-party steps in very easy words. I hope that through this article you can easily split the large-sized Outlook PST files without any error. If you have any question then please tell us.