Outlook elements including emails, calendars, contacts, journals, and tasks are commonly stored in PST files, also known as personal storage tables. Varied MS Outlook versions have different PST file sizes. However, if the PST file's size surpasses a certain threshold, the user would experience issues such as data loss and sluggish Outlook performance. The likelihood of file corruption also rises. The user must divide the PST file into multiple smaller PST files in order to get rid of this.

We will talk about both manual and third-party PST file-splitting solutions in this post. The ideal technique to split a huge PST file into several smaller ones depends on how big your PST file is. 

This guide will be helpful if you need to split a huge PST file into several smaller ones and are looking for the best method to do so.

Instant Way to Split PST Tool 

Here, Advik PST Splitter Tool will be used. It is a strong tool with cutting-edge functionality. You may split PST files, combine PST files, compress PST files, erase PST passwords, and remove duplicate things from PST passwords with this utility. Follow the steps listed below to complete this activity.

  1. Download and set up the application on your system.
  2. Open the tool, then select PST Split from the menu.
  3. Select the PST file by clicking the Browse button, then select the OK and Next buttons.
  4. Specify a location to save the resulting PST in.
  5. Depending on your needs, select Split options by Size, Date, Year, Selected folder in one PST, and Selected folder in multiple PST.
  6. Then, click the Next button.
  7. The procedure will begin when you click the Next button.
  8. Click the Finish button when finished.

Additional Beneficial Characteristics of Advik PST Splitter Tool

  • Create smaller files from the PST file.
  • Combine up to two PST files PST file compacting and compression
  • From the PST file, delete any duplicate items.
  • Password recovery and removal for PST files
  • Organize the first 50 things in each folder.
  • Capable of running on Windows 10, 8, 7, etc.

How to divide PST File Manually?

Using the next method, you can manually separate a PST file. These techniques work with Outlook 2019, 2016, 2013, and prior versions to split PST files.

Method 1: Import/Export Method to split PST File

  1. Open Microsoft Outlook and choose File > Account Settings > Account Settings.
  2. Select the Data Files Tab from the Account Settings window and press the Add button.
  3. Put in the file name, choose Outlook Data File (.pst) from the list of Save As types, and press OK.
  4. Go to Choose Import/Export from the Import/Export menu under the File option.
  5. Select Export to a file in the Import and Export Wizard and press the Next button.
  6. Select Outlook Data File (.pst) in the Export to a File box and then click the Next button.
  7. Click the Next button after selecting the folders you wish to export and checking Include subfolders.
  8. Choose a location to save the exported file by clicking the Browse button.
  9. Click the Finish button after selecting the Don't export duplicate items checkbox.

Method 2: Use Archive Wizard to shrink the PST file size

  1. Open MS Outlook and select File from the menu.
  2. Choose Info, then click Tools and then select Clean Up Old Items.
  3. Choose Archive this folder and subfolders from the Archive dialogue after selecting a folder.
  4. Choose a date from the "Older Archive Items" list.
  5. To save the Archive file, click the Browse option, then select OK.

Method 3: Utilizing the Move to Folder option  

  1. Open MS Outlook and select File from the menu.
  2. Select Account Settings by clicking on the Account Settings link.
  3. To create a new PST file, click Add from the Account Settings window's Data Files tab.
  4. Open the default PST file by going to the Home tab, then pick the objects you wish to move to a new PST file.
  5. Select the Copy to Folder option by clicking on Move.
  6. To transfer the selected objects, pick the PST file.
  7. The copied item from the default PST can then be deleted to reduce the file size.

You can employ the aforementioned ways to divide the PST. however, manual techniques

However, manual processes take a lot of time and effort. It poses a high risk of data loss and calls for technological competence. Use Advik PST Splitter Tool to split PST files in the best possible way.