Software Pre-Requisite

  • Recommended Pentium core processor.
  • At least 512 RAM(1 GB required).
  • Support Windows office suite versions.
  • Enough space to store the restored data.
  • Full support of Windows versions irrespective of 11/10/8.1/8/7/2008.
  • 50 MB software installation.

User Interface

After running the SysInfo PST Upgrade & Downgrade Tool, you can find the interface below-mentioned. Further, the tool has a very easy-to-use interface.

User Interface


Add PST Files   Add PST Files: It allows users to add multiple PST files.

Search PST Files   Search PST Files: Click on this to find PSTs across your system.

Remove   Remove: It will enable you to remove the added PST file.

Remove All   Remove All: Tap on this to remove all the browsed PST files.

Next   Next: Click on this to proceed further.

Back   Back: It allows you to go back to the previous steps.

Browse   Browse: Tap on this to select the destination path for the resultant folder.

Convert PST Files   Convert PST Files: Click on this to start the process.

Close   Close: It allows you to close the software.

Software Working

Download and Install the SysInfo PST Upgrade & Downgrade Tool

  • Step 1: Start the SysInfo Upgrade and Downgrade PST Tool as an administrator on your system. It will show you a pop-up: Choose MS Outlook version, either 32 bit or 64 bit.
    Step 1
  • Step 2: The application window will appear on the screen.
    • Add PST Files:- It allows you to add PST files.
    • Search PST Files:- It will enable you to search PST files on PC.
    • Remove:- To remove the specific one from the list.
    • Remove All:- To remove all the added PST files from the list.
    Step 2
  • Step 3: Click on the Add PST Files option to browse the Outlook data files. Please make sure that the PST file is not corrupted.
    Step 3
  • Step 4: Select the PST files from your system and click the Open button.
    Step 4
  • Step 5: Here, you can preview the added PST files. Click the Next button to proceed further.
    Step 5
  • Step 6: Click on the Browse button to select the output folder path.
    Step 6
  • Step 7: Either you will select desktop or another location.
    Step 7
  • Step 8: Choose Convert ANSI to Unicode option; if you want to convert Outlook 2000 version PST files to Outlook(2003-2019).
    Step 8
  • Step 9: Choose Convert Unicode to ANSI option; if you want to convert Outlook(2000-2019) to Outlook version 2000.
    Step 9
  • Step 10: Choose these options if required:
    • Add new PST file(s) in Outlook profile:- Enable this radio button to import the resultant PST file into the Outlook account.
    • Exclude Deleted Items(s):- It allows you to remove the deleted items from the PST file.
    • Remove Duplicates in Outlook PST file(s):- It allows you to remove all the duplicate items from the3 Outlook PST file.
    Step 10
  • Step 11: Click on the Convert PST files button to start the upgrade or downgrade process.
    Step 11
  • Step 12: Make sure that the demo version of the software will convert only 25 items per folder.
    Step 12
  • Step 13: Finally, the conversion process gets completed successfully. Do you want to close the application? Click Ok.
    Step 13