Compare .OST files online

Fast, secure and free OST comparison Online

Step 1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose ost or any other format you need as a result (if applicable).

Step 3

Let the file process and download/view the ost file.
** You can also open your processed ost file in our free online viewer by clicking "Open".

1 ❓ How can I comparison OST file?
First, you need to add a file for comparison: drag & drop your OST file or click inside the white area for choose a file. Then click the "comparison" button. It will now allow you to comparison your OST file.
2 ⏱️ How long does it take to comparison OST file?
This comparisoner works fast. You can comparison OST file in a few seconds.
3 🛡️ Is it safe to OST comparison using free file comparisoner?
Of course! The download link of comparisoned file will be available instantly after processing. We delete uploaded files whithin next 24 hours and the download links will stop working after this time period. No one has access to your files. File comparisoner (including OST). OST file comparisoner is absolutely safe.
4 💻 Can I comparison OST file on Mac OS, Android or Linux?
Yes, you can use free comparisoner app on any operating system that has a web browser. Our OST comparisoner works online and does not require any software installation.
5 🌐 What browser should I use to comparison OST?
You can use any modern browser to comparison OST, for example, Google Chrome, Firefox, Opera, Safari.

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