What is the best way to compress large PST file?
You can compress a PST file manually in Outlook by going to File > Account Settings > Data Files, selecting your PST, clicking Settings, and choosing Compact Now—but this method is slow, often ineffective for large files, and may fail if the PST is corrupted. A better solution? DRS Softech PST Compress Tool: It shrinks PST files quickly (even damaged/oversized ones), splits them into smaller parts if needed, retains all data and folder structure, and works far faster than Outlook’s manual process—all without risking data loss.
For more: https://www.drssoftech.com/pst-compress/
Sanchit Tandon
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mairy marten commented
Recently, the size of my Outlook PST file grew to more than 10GB, which was causing Outlook to slow down and sometimes freeze. I tried all the methods (Compact Now, Archive) on my own, but nothing made a difference.
Then I came to know about Softaken Compress PST Software. The best thing about this tool is that it easily compresses PST files without any data loss. You can save attachments in a separate folder or even remove them completely – it’s your choice.
I tried it and my 10GB file was reduced to about 6 GB. Also, Outlook’s speed has improved a lot.
User-friendly interface
Batch compressing of multiple PST files
No Outlook installation required
If you are also troubled by a large PST file, then definitely try Compress PST once.Read More: https://www.softaken.com/compress-pst-pro
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James Luther commented
If you are an Outlook user like me and are tired of huge PST files, I would like to recommend a great tool – DataVare Outlook PST Compact Expert.
I compressed my 9GB PST file in just a few minutes using this tool, and there was no data loss. Its interface is very easy and you can use it even without technical knowledge.
The special thing about this tool is that:
It compresses the file without any corruption
Reduces the file size by separating attachments
Multiple PST files can be compacted in batchOverall, this tool is very useful for increasing Outlook speed and saving storage. I have used it myself, and you should also try it once.
Read More:- https://www.datavare.com/software/outlook-pst-compact-expert.html