Groupdocs logo
  1. GroupDocs Products
  2. Conversion App
  3. Convert OST to PDF

OST to PDF converter

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

Powered by groupdocs.com and groupdocs.cloud.

By uploading your files or using our service you agree with our Terms of Service and Privacy Policy.

We have already processed 4,709,101 files with total size of 7,318,659 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 PDF 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 PDF 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 PDF
  • Convert OST from anywhere - it works on all platforms including Windows, MacOS, Android and iOS
Check our video
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
How it works

How to convert OST to PDF

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 PDF 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 PDF 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
PDF

Portable Document

Portable Document Format (PDF) is a type of document created by Adobe back in 1990s. The purpose of this file format was to introduce a standard for representation of documents and other reference material in a format that is independent of application software, hardware as well as Operating System. PDF files can be opened in Adobe Acrobat Reader/Writer as well in most modern browsers like Chrome, Safari, Firefox via extensions/plug-ins.

Read more

Other Supported Conversions

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

© Aspose Pty Ltd 2001-2025. All Rights Reserved.
More apps

Upgrade to Premium

The application usage limit reached.
Upgrade for extended access, starting at $4/month.
Upgrade Learn more