MBOX files with attachments can be additionally imported MBOX into Gmail using TrustVare IMAP Importer Tool. The application will easily Import Several MBOX Files into Gmail Account without data loss. Its simple and clear layout, the tool is easy for both technical and non-technical users.

Main Unique features of the TrustVare IMAP Importer Tool

Sort multiple emails concurrently.
Emails remain tidy.
Just import what you really need.
Works with PST, MBOX, EML, MSG, and more supporting several formats.
Share emails among servers.
Safe and secure protection of your data.
There are no size restrictions; easily import big files.
Created with all IMAP servers: Gmail, Yahoo, Outlook.com, Office 365, and more.
Simple UI for all people, easy to use.
Windows Compatible supports Windows 11, 10, 8, 7, and older.

Visit here: https://www.trustvare.com/imap-importer/