There was a download of CM Yahoo Backup Tool 21.7 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This software was originally created by CloudMigration. CM Yahoo Backup Tool lies within Internet & Network Tools, more precisely Cloud Services. We recommend checking the downloaded files with any free antivirus.
From the developer:
CloudMigration Yahoo Backup Tool is a professional software that can help users to backup Yahoo emails without any hassle. The software is embedded with a feature that can help you in maintaining the server space by skipping already migrated items. Using Yahoo Backup Tool, you can smoothly export Yahoo emails to local drive, MBOX, PDF, PST, MSG, HTML, etc.
You may want to check out more software, such as Yahoo Backup Tool, MigrateEmails Yahoo Backup Tool or DataVare Yahoo Backup Expert, which might be similar to CM Yahoo Backup Tool.