If you use manual process to convert OLM data into PST format is little bit risky. Manual method is very lengthy process which take lots of time to process and technical person can enable to run this process.
I called it risky because if you are not aware during manual process then it can lead huge loss of original data so if you don't wanna to lose your original data then There is no better method to move Mac Outlook data to PST then using this OLM to PST converter software which is an email migration software which quickly restores MS Outlook data from Mac Outlook to MS Outlook.
The tool can easily convert multiple OLM files to PST format including HTML formatting, Attachments, Images, Links, and etc. The software keeps the Mete data in the original form during the conversion process.
The OLM Converter converts OLM files to various file types such as EMLX, MSG, PST, MBOX, EML, HTML, and PDF. All users both technical or non technical both can easily use this software without any technical skill.
Visit here to know more:- https://www.emailsoftwares.com/olm-to-pst-converter.html
