MacMister Solutions provides software and support for Mac users who need to convert, migrate, back up, or manage email and other data. Its products handle a broad range of mailbox formats and services, including MBOX, PST, OLM, MSG, OST, EML, Thunderbird, and Apple Mail files, as well as Gmail, Yahoo, iCloud, IMAP, Rackspace, GMX, AOL, and other webmail accounts. Conversion tools can export email and related data to multiple formats, email clients, and cloud services; selected products also process contacts, calendars, tasks, and notes.

MacMister offers email backup solutions for saving and restoring webmail data, along with a Mac data-wiping tool for permanently deleting information from a hard drive. The company says its software supports batch processing, aims to preserve original data and folder structures, and is designed for both technical and non-technical users. Customers can explore demo editions, product guides, blog resources, and tutorials, or contact the support team through live chat and email.

MacMister also lists a 30-day refund policy and 24/7 technical support