How to Compact the Size of an Outlook PST File

Follow these instructions provided by PST Compress and securely compact your oversized or huge sized PST files without damaging data originality.

STEP 1

Go to Start menu » Programs » SysTools PST Compress

pst-compress
STEP 2

To select PST files or folders, click on Add File or Add Folder button as shown in the image below:

add-files-folders
STEP 3

Select and Open the Outlook PST file(s) that you want to Compress.

open-pst-file
STEP 4

Note - If you want to remove selected PST files from the list of files, first select the file, then click on the Remove button to remove file from the list.

remove-selected-pst
STEP 5

Now, the next step is to select the folder to save compressed PST file. Click on Browse button to select the folder & save compressed PST file. Click OK.

folder-to-save-compressed-pst
STEP 6

Now click on Compress PST button to begin compressing Outlook PST File:

compress-pst
STEP 7

Select an appropriate option to compress PST file.
Remove Attachments
With this option, users can compress PST files without saving the attachments. This option will remove / delete all the attachments while saving compressed PST.
Extract & Save Attachments
With this option, users can extract the attachments and the attachments will be saved in a separate folder.
Extract, Save & Compress Attachments
With this option, users can extract the attachments and the attachments will be saved in a zipped format (.zip file) in a separate folder.

compression-option
STEP 8

Now click on the Compress button to start the process of compressing PST files.

compress
STEP 9

The software will display the progress bar on the screen:

progress-bar
STEP 10

After compressing PST files, the software will display the status of successfully compressed PST file.

compress-successfully
STEP 11

Next, to view the Compressed PST file; navigate to the respective folder. You will be able to see the Compressed PST file.

compressed-pst

Free Download PST Compress Software Trial Version Download