Convert OST to MBOX
Download OST to MBOX converter software which shows the best option to Export multiple OST files to MBOX ( thunderbird ) directly by helping "Batch Option" that's very easy works for selecting multiple OST files only one command.
By using this application you can conversion corrupt or large size of OST files into multiple formats such as- Office 365/Live Exchange/PST/Gmail/MBOX/vCard/ICS/MSG/HTML/EML/EMLX Zimbra/ PDF/OLM/NSF etc. **https://gust.com/programs/how-to-transfer-ost-to-pst-files
Through this software, you can Be Filtering messages items after exporting data from corrupt OST to MBOX ( split large size of OST files to MBOX) by Date.
KDETools OST to MBOX converter tool 100% supports MS outlook versions with all Windows versions.
More Info-: https://www.kdetools.com/ost/mbox/