OST to PST Converter

Batch convert ost files to pst online. Change ost to pst on Windows, Mac, Iphone or Android in a couple of clicks.

Select files for conversion or drag and drop them to the upload area. Max file size: 100 MB.
Your files are securely protected and available only to you.
All files are automatically deleted from our servers after 1 hour.

How to convert OST files to PST online?

Step-by-step instructions for converting ost files to pst

Upload OST-file

Click "Choose File" button to select a ost file on your computer. OST file size can be up to 100 Mb.

Convert OST to PST

Click "Convert" button to start conversion.

Download your PST

When the conversion process is complete, you can download the PST file.

FAQ

  • ❓ How can I convert OST to PST?
    First you need to add file for conversion: drag and drop your OST file or click the "Choose File" button. Then click the "Convert" button. When OST to PST conversion is completed, you can download your PST file.
  • ⏱️ How long does it take to convert OST to PST?
    Document conversion is pretty fast. You can change OST to PST in a few seconds.
  • 🛡️ Is it safe to convert OST to PST on AnyConv?
    Of course! We delete uploaded files immediately, and converted ones after 1 hour. No one has access to your files. File conversion (including OST to PST) is absolutely safe.
  • 💻 Can I convert OST to PST on Mac OS or Linux?
    Yes, you can use AnyConv on any operating system that has a web browser. Our OST to PST converter works online and does not require software installation.

Information about OST and PST file formats

Name OST PST
Full name Off-line Storage Table Personal Storage Table
File extension .ost .pst
MIME type
Developed by Microsoft Microsoft
Type of format
Description OST is a file created by Microsoft Outlook. OST used to store a copy of mailbox information from an Office 365, Exchange, or Outlook.com account. OST files may contain email messages, contacts, tasks, calendar data, and other account information. OST files are very similar to the PST personal folder files, but do not support large file sizes. PST file is a data storage file that contains personal information used by Microsoft Outlook and Exchange. PST may also include e-mail folders, contacts, addresses, and other data. PST files have a 2GB limit and will cause Outlook to slow down when the file is close to the limit.
Technical details
File conversion OST conversion PST conversion
Associated programs Microsoft Outlook Microsoft Outlook
Wiki https://en.wikipedia.org/wiki/Personal_Storage_Table https://en.wikipedia.org/wiki/Personal_Storage_Table