Free online OST to EPUB Converter

Convert OST to EPUB online from any device, with a modern browser like Chrome, Opera and Firefox.

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Fast & secure GroupDocs OST to EPUB converter app to convert OST files online & free from any device from Mac OS, Linux, Android, iOs, and anywhere.

You can save the result to PDF, EPUB, XPS, PPT, PPS, PPTX, PPSX, ODP, OTP, POTX, POTM, PPTM, PPSM, FODP, XLS, XLSX, XLSM, XLSB, ODS, XLTX, XLTM, TSV, XLAM, CSV, FODS, DIF, SXC, DOC, DOCM, DOCX, DOT, DOTM, DOTX, RTF, ODT, OTT, MOBI, TXT, MD, TIFF, TIF, JPG, JPEG, PNG, GIF, BMP, ICO, PSD, WMF, EMF, DCM, WEBP, SVG, JP2, EMZ, WMZ, SVGZ or HTML or HTM.

If you want to convert programmatically please check GroupDocs.Conversion documentation.

How to convert OST to EPUB

  • Open free GroupDocs App website and choose GroupDocs.Conversion application.
  • Click inside the file drop area to upload OST file or drag & drop OST file.
  • Click on Convert button. Your OST files will be uploaded and converted to EPUB result format.
  • Download link of result files will be available instantly after conversion.
  • You can also send a link to the EPUB file to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

FAQ

  • ❓ How can I convert OST?
    First, you need to add a file for conversion: drag & drop your OST file or click inside the white area to choose a file. Then click the "Convert" button. When OST to EPUB conversion is completed, you can download your EPUB file.
  • ⏱️ How long does it take to convert OST?
    This converter works fast. You can change OST to EPUB in a few seconds.
  • 🛡️ Is it safe to convert OST to EPUB using free GroupDocs converter?
    Of course! The download link of EPUB files will be available instantly after conversion. 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 conversion (including OST) is absolutely safe.
  • 💻 Can I convert OST to EPUB on Linux, Mac OS or Android?
    Yes, you can use free GroupDocs converter on any operating system that has a web browser. Our OST to EPUB converter works online and does not require any software installation.
  • 🌐 What browser should I use to convert OST?
    You can use any modern browser to convert OST, for example, Google Chrome, Firefox, Opera, Safari.

OSTOutlook 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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EPUBDigital E-Book File Format

Files with .EPUB extension are an e-book file format that provide a standard digital publication format for publishers and consumers. The format has been so common by now that it is supported by many e-readers and software applications. For example, on Mac OS, the pre-installed Books software provides the support for opening such files. In addition, there are a lot of compatible software available for smartphones, tablets and computers.

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Other Supported Conversions

You can also convert OST into many other file formats. Please see the complete list below.

Fast and easy conversion OST to EPUB

Fast and Easy OST to EPUB Converter

Upload your OST to EPUB document, choose the save format type and click on "Convert” button. You will get the download link as soon as the OST to EPUB file is converted

Convert OST to EPUB  from anywhere

Convert OST to EPUB from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All OST to EPUB files are processed on our servers. No plugin or software installation required for you

Convert OST to EPUB  quality

Conversion Quality

Powered by GroupDocs.Conversion. All OST to EPUB files are processed using GroupDocs APIs