Top rated in File Compression

2.0.3
FREE

1.85
FREE

3.2

1.07

3.5

2.9

1.5

1.30
FREE

1.03
FREE

4.50.01

4.5.5
FREE

7.0

7.0

8.0.2.321

2.2
FREE

7.0

2.0
FREE

1.0
FREE

3.05
FREE

2.6


1.0
FREE

7.1

10.03.01
It removes extra or unused space from PST file and hence compresses the file.

1.0.2
FREE