How to Compress PST Files Without Using Outlook?

Step 1

Download & Install the MigrateEmails PST Compress tool → Next.

Step 1
Step 2

Select File/Select Folder to upload the file.

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Step 3

Choose & add your PST files that you want to convert → Open.

Step 3
Step 4

Expand the tree structure → Verify the details → Next.

Step 4
Step 5

Apply the compression & other filters according to your need like:

  • Compression Option Panel:You can compress/remove all attachments.
  • Remove Duplicate Mail:It allows users to remove duplicate emails from the folders.
  • Date Filter:To migrate mailbox items of the specific date range.
  • Split Resultant PST File:To migrate mailbox items of the specific size.
Step 5
Step 6

Choose the Path to Save option to save the file at the desired location.

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Step 7

Click Start Compression to begin with the process.

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Step 8

Download the report if needed.

Step 8