How to convert OLM to PST with emails, contacts, and calendar intact?

A simple way is to use a tool like SysInfo OLM Converter. Start by adding your OLM file into the software, then preview the data—this lets you verify that emails, contacts, calendars, and attachments are all visible before conversion. After that, select PST as the output format and choose the option to include all mailbox items. Once you start the conversion, the tool transfers everything while maintaining folder hierarchy, metadata (like date, subject, sender), and attachments.

To ensure nothing is missed, avoid using filters that exclude data and keep attachment settings enabled. When done correctly, this method helps you smoothly convert OLM files to PST without losing any important information.
 
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