Recently, I came across an OLM to PST Converter for Mac, and it worked well. It is easy to use, and it can convert into various types of formats like PDF, PST, EML, MSG, TXT, HTML, MBOX, DOC, CSV, and more file formats. It helps to Remove similar or duplicate email items and one of the best features of this tool is that you can backup and migrate your Mac OLM files without attachments. It excludes email attachments from the conversion/migration procedure without any data loss.
Read more - https://www.macsonik.com/olm-to-pst-converter/
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