How to Convert OST to PST in Outlook 365, 2019 & 2016?

Users often looking for solution to convert OST to PST in Outlook 365, Outlook 2016, or Outlook 2019, when users likely to encounter issues like an inaccessible Outlook profile, a corrupted OST file, or the need to back up or migrate data. Whatever the reason, converting OST to PST is often the most efficient solution.

What is an OST File?

OST (Offline Storage Table) files are created when you configure Outlook with Exchange, Office 365, or IMAP accounts. They store a synchronized copy of your mailbox data on your local system, allowing you to work offline. However, OST files can become inaccessible in scenarios such as Outlook profile corruption, Exchange Server crashes, Accidental deletion of an account, Need to migrate to a new system, etc. In such cases, converting OST to PST (Personal Storage Table)—which is a portable and more manageable file format—is essential.

How to Convert OST to PST in Outlook 365, 2019 & 2016?

EmailsGuru OST to PST Converter is a trusted third-party tool designed to convert OST files to PST format without data loss. It works with all versions of Microsoft Outlook, including Outlook 365, 2016, 2019, and earlier. Follow these simple steps to perform a secure and accurate OST to PST conversion:

  1. Download and Install EmailsGuru OST to PST Converter.
  2. Open the tool. On the welcome screen, click on “Select File” to browse and select the OST file you want to convert.
  3. Choose the destination folder in computer to save the converted PST file.
  4. Click “Convert” to begin the conversion. The tool will start converting the OST file to PST format. The time depends on the file size.

Key Features of OST to PST Converter

  • Converts corrupted, orphaned, inaccessible or any size of OST files.
  • Preserves folder hierarchy and metadata (To, CC, BCC, Subject, etc.).
  • Allows batch conversion of multiple OST files.
  • Compatible with Windows 11, 10, 8, 7, and Outlook 365/2019/2016.
  • Option to split PST files for easier management.
  • Converts encrypted and password-protected OST files.

Final Thoughts

Converting OST to PST is complex task but a professional tool like EmailsGuru OST to PST Converter this can be easily done. It offers a seamless, efficient, and safe way to access your Outlook data—whether you’re using Office 365, Outlook 2016, or 2019.

Frequently Asked Questions

Question1: Is EmailsGuru OST to PST Converter free?

Answer: The tool offers a free demo version to preview the data. To export the full OST to PST, you’ll need to purchase the licensed version.

Question2: Can I convert an encrypted OST file?

Answer: Yes, EmailsGuru OST to PST Converter can convert encrypted and password-protected OST files.

Question3: Does it support Outlook 365?

Answer: Absolutely. The tool supports all versions of Outlook, including Microsoft 365, 2016, 2019, and earlier.

Question4: Will it maintain folder structure?

Answer: Yes, it preserves the original folder hierarchy, email metadata, and formatting during conversion.