You can try the manual method by opening any MBOX supportive email client and deleting duplicate data from MBOX files
There are manual steps for deleting duplicate MBOX files
But the manual method is tricky and all users can not use it. I suggest the processual method Softaken MBOX Files Duplicate Remover Tool. It easily removes duplicate data from MBOX files. You can select the file or folder and easily delete duplicate MBOX data. You can also try the free test version. It works with all Windows OS versions. It supports all MBOX email clients.
There are manual steps for deleting duplicate MBOX files
- Open an MBOX supportive email client like Thunderbird or PocoMail
- Select the MailBox and save the MBOX file data
- Filter the Mailbox file type like CSV or TXT select and go to the file menu
- Filter data in a spreadsheet like a message, subject, sender and receiver emails, etc.
- Select the column you want to sort then go to the data and select
- Find the duplicates select them one by one and delete them
- After removing the duplicate cut the email client tab and find the location to save MBOX files and save them.
- Repeat the same process one by one to delete all duplicates of MBOX data
But the manual method is tricky and all users can not use it. I suggest the processual method Softaken MBOX Files Duplicate Remover Tool. It easily removes duplicate data from MBOX files. You can select the file or folder and easily delete duplicate MBOX data. You can also try the free test version. It works with all Windows OS versions. It supports all MBOX email clients.