Online OST to PST file conversion service

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How to convert OST to PST online

A step-by-step description of the online conversion of OST files of any version to Microsoft Outlook PST files:

  1. Select an OST file on your hard drive here https://www.osttopst.online
  2. Enter your email and captcha code
  3. Click Next step
  4. Wait for the file to be uploaded to the service and the OST to PST conversion process to be over
  5. Download the converted PST file with your data

How to convert an OST file to a PST file online

This online converter of OST files to PST files makes it possible to transfer data from one format to another using any device and any operating system (Windows, Android, iOS, Mac OS, etc).

Our OST to PST online conversion service does not require access to Exchange Server, Windows Domain Controller or Microsoft Outlook. All you need to do is upload your OST file to the server. Next, you will receive a link to download the converted PST file containing all of the data from the original OST file, including: e-mails, contacts, appointments, reminders, tasks, notes, calendars, journals, attachments, etc.

The .ost to .pst converter service allows you to convert the following types of OST files:

  • OST files in Unicode format (Microsoft Outlook version 2007 or later)
  • OST files in ANSI format (Microsoft Outlook versions 97-2003 that are more than 2GB in size)
  • OST files created using all versions of Microsoft Exchange Server
  • Encrypted OST files that use any type of encryption
  • Password-protected OST files
  • OST files created with 32-bit and 64-bit versions of Microsoft Outlook

The benefits of the online OST to PST file conversion service

The .ost to .pst converter service works on any device that is connected to the Internet

Does not require you to have Microsoft Windows installed

Does not require authentication by Windows Domain Controller

Does not require access to a Microsoft Exchange Server

Does not require you to have Microsoft Outlook installed on your device

How to import OST file in Outlook

Microsoft Outlook has no function for importing OST files. This means it’s necessary to use tools or services from off-site software suppliers. Import of OST in Outlook results in conversion of OST to PST and opening of PST file with converted data in Microsoft Outlook. A detailed instruction is provided below:

  1. To convert OST to PST with the help of online-service and tools from the website https://www.osttopst.online
  2. To open the converted PST files in Outlook menu: File | Open&Export | Open Outlook Data File

Notes for the Microsoft OST 2 PST converter service:

  • The size of the converted PST file may be considerably smaller than the size of the original OST file.
  • The converted PST file will be saved in Unicode format as a *.PST file that is used as the default file format in Microsoft Outlook 2007 or later. This format allows you to store more than 2GB of data in a single file.
  • The files are stored for 10 days starting from the time that the source file is uploaded to the server;
  • The converted PST file will not be encrypted or password-protected.
Customer's reviews and ratings

“good program, fine people”

Adrian 15-10-2019

“Perfect service ”

Franck macedo 15-10-2019

“awesome converter highly recomended”

Sajid 07-10-2019

“OST to PST... this is it!”

Yusuf Serbetci 04-10-2019


PDW 04-10-2019

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