How to remove password protection from .PST files.

One way this can be accomplished is to use PST19UPG.exe file

Download file from

Before using the utility, make certain you have at lease three times the size of the “pst” file in temporary free the disk space.
For example:
Original “pst” file is 150mb�
Copy of “pst” file is 150mb�
“psx” file (created during process) is 150mb�
New “pst” file 150mb�
Therefore an additional 450mb of temporary free space required for process to complete  

How to strip a password from a “pst” file using the “pst19upg.exe”
1. Calculate the necessary free space (“pst” file size x 3) to run the utility.
2. Find that amount of temporary space in which to perform the recovery.
3. Copy the utility into the “recovery” free space.
4. Copy the target PST file into the “recovery” free space. There is the possibility this utility may corrupt the contents of a “pst” so always use a copy of the file. Remember that Outlook needs to be closed completely before you can copy the file.
5. Run “scanpst.exe” (without any LOG or Backup options enabled) against the copy of “pst” and “Repair”, if prompted.
6. Open a Command Prompt and change into drive/directory of the “recovery” free space.
7. At the command prompt, type “pst19upg.exe -x filename.pst” and hit enter (where filename.pst is the name of the “pst” file you are working on). A progress bar will appear.
This utility will create afile from the target “pst” called “filename.psx” (where filename is the same name as the original “pst” file).
8. When complete, rename the original pst file to something else (for example filename-old.pst).
9. At the command prompt, type “pst19upg.exe -i filename.psx” and hit enter. Again a progress bar will appear.
This utility now creates a password free “pst” file from the “psx” file.
10. Run “scanpst.exe” (again without LOG or Backup options enabled) against recovered “pst” and “Repair”, if prompted.
11. Test access to file using Outlook, then return it to the client.


5 comments on “How to remove password protection from .PST files.

  1. This operation can do with help-remove pst password,tool is free as is known,application for pst password removals sorts all possible characters, including multilingual ones and Unicode and composes a password for you,recovered with Microsoft pst password removal tool, will differ from those, that were set previously by account owner, but it will be accepted anywaymhelp a colleague to retrieve forgotten password with password removal for pst,used only once- just to recover your password and remove pst 2003 passwod.

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