Compare OST Documents

Select OST documents to compare online for free.

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OVERVIEW

Compare PDF, Word documents, Excel and PowerPoint files

Our free online side-by-side documents comparison app allows to compare files contents and highlighted the differences. Compare PDF, DOCX, XLSX, or any other supported file formats. No third-party software installation is required. Web-based application is fast, robust, easy-to-use and absolutely free.

Compare same-format files

Conveniently compare your same-format documents including DOC, PDF, DOCX, XLSX, PPT,XLS, HTML, TXT and many more.

Free online file comparison operation

Lightning fast comparison operations for your selected documents.

How it Works
HOW TO

How to compare OST files

  • Upload OST files to compare them online for free.
  • Specify the parameters and press the "COMPARE" button to compare OST.
  • Download the compared OST to view instantly or send a link to email.

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FAQS

How to compare Word, PDF, Excel, PowerPoint and other files?

Just use our online Comparison. It is fast, easy to use and entirely free. It is designed to quickly compare document contents online.

We support a variety of document, Word, Excel and PowerPoint file formats, including PDF, DOC, DOCX, RTF, ODT, HTML, Markdown, PPT, PPTX, TXT and many more.

You can compare up to 2 files simultaneously

Each file size should not exceed 10 MB.

At the end of the comparison process, you will get a download link. You can download the result immediately or send the link to your email.

All user files are stored on Aspose servers for 24 hours. After that time, they will be automatically deleted.

Aspose gives the highest importance and attention to security issues. Please be assured that your files are kept in secure storage servers and protected from any unauthorized access.

Compare multiple files may be time-consuming sometimes, as it involves data re-encoding and re-compressing.
FILE INFORMATION

Learn about different file formats

Indulge yourself into learning more about well-known document and image file formats.

File Information

Outlook Offline Storage File

OST or Offline Storage Files represent user's mailbox data in offline mode on local machine upon registration with Exchange Server using Microsoft Outlook. It is automatically created on the first use of Microsoft Outlook upon connectivity with server. Once the file is created, the data is synchronized with the email server so that it is available offline as well in case of disconnectivity from email server.

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MOST POPULAR

The most popular file formats to compare

We support a variety of document, web, e-book and image file formats, including PDF, DOC, DOCX, RTF, ODT, HTML, Markdown, PNG, JPG, TIFF, BMP, MOBI, CHM, WPS, TXT and many more.

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The app runs on a device with a larger screen (minimum width of 320 pixels) aspect ratio.