Issue Accessing Outlook Data – Need Help Converting OST to PST

Member since 24 May 2025

ruthtomasj74Member27 May 2025 09:42:05

I recently lost access to my Exchange server, and now I can't open my Outlook data. I have an OST file that contains all my important emails and contacts. Is there a reliable way to convert an OST file to PST format so I can access everything again in Outlook?

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Cynic UK/Netherlands Expert

Member since 15 September 2015

CynicUK/Netherlands Expert27 May 2025 10:33:40

8088

I recently lost access to my Exchange server, and now I can't open my Outlook data. I have an OST file that contains all my important emails and contacts. Is there a reliable way to convert an OST file to PST format so I can access everything again in Outlook? - @ruthtomasj74

Hi and welcome to the Forum.

The answer to your question is on the Microsoft Community Forum; this link will take you straight to it.

Having read it myself, I think you may not like the answer, but I hope this helps.

Cynic

Expat Team

carlosmithh New member

Member since 25 February 2026

carlosmithhNew member25 February 2026 11:28:58

Absolutely! Losing access to your Exchange server can be stressful, but your OST file still contains all your emails, contacts, calendar items, and more. You can convert it to PST to regain access in Outlook. To convert OST files to PST format, you can use some dedicated tools like

TrustVare OST to PST Converter

Softaken OST to PST Converter Software

Free OST to PST Converter by MailVare

With the use of this solution, you safely recover your OST files and convert them into PST format to easily access your data in MS Outlook.