If you want to import Outlook OST to Office 365 without any errors. So download the most popular conversion tool that's called eSoftTools OST to PST converter software. Using this tool, you can easily import Outlook OST files to Office 365 and 13+ other formats without any errors. It provides numerous features compared to other conversion tools. It has a demo version where users can convert and recover 25 items from every folder of Outlook OST file without any pay, which is 100% safe and secure.
Know more:- Import Outlook OST to Office 365
Know more:- Import Outlook OST to Office 365