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OST file not syncing, how can I safely reuse mailbox data
by Alexander Rudd - Friday, 19 December 2025, 9:29 PM
 

My OST file stopped syncing with the mail server, and Outlook keeps showing synchronization errors. Even though new emails are not updating, the old mailbox data is still important. I want to make sure this data can be reused or accessed safely. Looking for guidance on how to handle such OST files properly.

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Re: OST file not syncing, how can I safely reuse mailbox data
by sam samjackob - Saturday, 20 December 2025, 4:07 AM
 

The OST file is not syncing, it can be a difficult problem for users. If you want to reuse mailbox data, then try to convert the OST file into the PST file format. Firstly, the PST file is also open in Outlook. There are multiple ways to convert an OST file, like the manual method and professional method, but the professional method is an effective and reliable solution for converting OST to PST format. Try to go with Pcinfotools OST to PST Converter. This tool can easily convert OST to PST format without losing any data. It comes with multiple features like a preview of the mailbox, selective data conversion, and support for multiple file conversion processes. It is the best solution to reuse mailbox data.

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Re: OST file not syncing, how can I safely reuse mailbox data
by dane vilas - Monday, 22 December 2025, 12:07 AM
 
Convert inaccessible or orphaned OST files into PST format easily with Recoveryfix OST to PST Converter Tool. The software ensures accurate mailbox recovery, including emails, contacts, calendars, and attachments, without data loss. It supports large OST files and all Exchange versions. With a user-friendly interface and fast conversion speed, Recoveryfix helps you restore Outlook data smoothly and securely.