1. GroupDocs Products
  2. Conversion App
  3. Convert OST to MOBI

OST to MOBI converter

Convert OST to MOBI online from any device with a free converter.

Powered by groupdocs.com and groupdocs.cloud.

We have already processed 0 files with total size of 0 Mbytes

About Conversion app

Convert your OST files online. You can convert your OST documents from any platform (Windows, Linux, macOS). No registration needed. Just drag and drop your OST file on upload form, choose the desired output format and click convert button. Once conversion completed you can download your MOBI file.

You even can perform more advanced conversions. For example you can convert password protected documents. Just expand LoadOptions and enter the password of your file. Or you can add a watermark to the converted MOBI file. Expand the ConvertOptions and fill the fields for watermarking.

You can convert your OST documents from anywhere, from any machine or even from a mobile device. The OST converter is always available online and is completely free.

  • Convert WORD to PDF, EXCEL to PDF, PDF to WORD, POWERPOINT to IMAGE, VSDX to PDF, HTML to DOCX,EPUB to PDF, RTF to DOCX, XPS to PDF, ODT to DOCX, ODP to PPTX and many more document formats
  • Simple way to instant convert OST to MOBI
  • Convert OST from anywhere - it works on all platforms including Windows, MacOS, Android and iOS
Check our video
How it works

How to convert OST to MOBI

Step 1
Click inside the file drop area to upload OST file or drag & drop OST file.
Step 2
Click on Convert button. Your OST files will be uploaded and converted to MOBI result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the MOBI file to your email address.
FAQ

Questions & Answers

OST

Outlook Offline Storage File

OST or Offline Storage Files represent the user's mailbox data in offline mode on the local machine upon registration with Exchange Server using Microsoft Outlook. It is automatically created on the first use of Microsoft Outlook upon connectivity with the 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 the email server.

Read more
MOBI

Mobipocket eBook

The MOBI file format is one of the most widely used ebook file formats. The format is an enhancement to the old OEB (Open Ebook Format) format and was used as the proprietary format for Mobipocket Reader. Like EPUB, it is supported by almost all modern e-readers specifically by mobile devices with low bandwidth. The format can be converted to several other formats such as PDF, EPUB, and several other formats using publicly available software applications such as the Kindle app.

Read more

Other Supported Conversions

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

Api cloud icon

APIs available

Convert popular document and image file formats in your app. The GroupDocs.Conversion APIs are available for .NET, Java, and many other platforms and languages.

Learn more
More apps