According to me you should not take any decision in a hurry take some time a wrong decision can harm your database. Mac OLM to PST tool also recover data from corrupted OLM files of any size. This tool can recover data from severely corrupted OLM files and recover data in any file format as mentioned earlier. You can also preview the files before you convert them.
The Mailvita OLM to PST Converter Tool is the easiest and reliable. This software quickly converts OLM items like -emails, contacts, attachments. It supports all versions of MS Outlook 2000, 97, 98, 2002, 2003, 2007, 2010, 2013, and 2016. Users are allowed to download the free demo to be familiar with software features and the working process. This software you can use in all Mac operating systems versions.