How to Batch Compress Large PST Files Without Losing Data?
I have multiple large Outlook PST files that are consuming a lot of disk space and making Outlook slow. I am looking for a reliable way to batch compress these large PST files instead of doing it one by one. Has anyone here tried an effective method or tool for this? What steps or software do you recommend to compress multiple PST files at once safely, without risking data loss?

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kevinedwards commented
I use Outlook, and the size of my PST file has gone above 5 GB, which has slowed down Outlook. I tried many methods, but the file size did not reduce. Then I found Softaken Compress PST Software, which is a very useful tool. It compressed my file without any data loss. The best thing is that it compresses the attachments without any loss, and you can compress multiple PST files simultaneously. If your PST file is becoming very large, then definitely try this tool once.
Read More:- https://www.softaken.com/compress-pst-pro
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matthewgriffin commented
I have been using Outlook for the last few months, and my PST file has grown to more than 10GB. This causes Outlook to lag frequently and sometimes freeze as well.
I tried some manual methods like ‘Compact Now’ and deleting old mails, but it did not make much difference. So I used a tool –DataVare Outlook PST Compact Expert Tool
My experience:
This tool shrinks my large PST file in a few minutes without any data loss
Also gives the option to save attachments in a separate folder
No need to split – just optimizes space
The user interface is simple and does not require any technical knowledgeI used its free trial version first, then later bought the full version because the results were really good.
If your Outlook file has also become very large and you are looking for an easy and safe solution, then definitely try this tool once.Read More:- https://www.datavare.com/software/outlook-pst-compact-expert.html