How to Import MBOX File to Office 365 for MBOX Supported Email Clients manually?

If you want to migrate MBOX file to Office 365 manually, first you need to transfer the MBOX file data from any other MBOX email clients to Thunderbird. Because, there is no direct manual solution is available to import MBOX to Office 365. The only method for this migration is limited to the single MBOX email client which is Mozilla Thunderbird. So, it is advised to transfer the MBOX file data from any other MBOX email clients to Thunderbird beforehand. And also, move all the desired emails required for migration to Office 365 to a single mailbox folder in Thunderbird.
For further information about this free manual method, you can check this link: https://www.datarepairtools.com/blog/import-mbox-file-to-office-365/
Where the procedure is step by step mentioned in easy language.