Please fallw thease steps to split PST file without Outlook: \r \r Step 1: Download Run vMail PST Splitter Tool \r Step 2: Click on Add File Button then open file browse dialog \r Step 3: Please select Outlook PST or OST File Then click on Next Button \r Step 4: Software is scanning selected outlook file. \r Step 5: Click to Split Button Then Open Window for Split \r Step 6: Please select destination Path \r Step 7: Select Split Option Then click on Start Process \r