Compare .OST files online

Our free ost comparison online tools does not required any registrations and installations on your system, 100% free and online outlook offline data file (.ost) comparison tool. Open from any device with a modern browser like Chrome, Opera and Firefox.

Free Online ost comparison

Credits: kb.fileformat.com

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More OST Online Tools

We have 100% free online OST tools and apps that does not required any registrations and installations on your system, here are few popular free OST tools to View, Convert, Edit, Merge, Split, Compare and manage file metadata online from any device with a modern browser like Chrome, Opera and Firefox.

OST Converter

OST Viewer

OST Editor

Compare OST Files

Merge OST Files

Split OST Files

OST Metadata Viewer

Related OST File Extensions & Tools

OST default file extension is .OST and other similer related extensions and their tools are:

OSS Tools OSU Tools

FAQ

1

❓ How can I Compare OST (outlook offline data 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 "Compare" button. It will now allow you to Download your OST file.
2

⏱️ How long does it take to Compare OST?

This Comparer works fast. You can Compare OST in a few seconds.
3

🛡️ Is it safe to Compare OST using free Comparer?

Of course! The download link of OST files will be available instantly after Comparing. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File Comparing (including outlook offline data file .ost) is absolutely safe.
4

💻 Can I Compare OST on Mac OS, Android or Linux?

Yes, you can use free Comparer app on any operating system that has a web browser. Our OST Comparer works online and does not require any software installation.
5

🌐 What browser should I use to Compare OST?

You can use any modern browser to Compare OST, for example, Google Chrome, Firefox, Opera, Safari.

About Licensing

Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
Included with OS This software is bundled with an OS , like Windows, macOS, or Android.