What is the factory default file system for Transcend products? Category : Specification / Capacity / Performance The factory default file system is determined by the product category, series, and storage capacity, as shown in the table below. Is the answer helpful? Related Why can't my device recognize the OTG card reader? What kinds of tests have Transcend’s rugged products undergone? My computer cannot recognize my StoreJet, and the OS asks me to format my StoreJet (external-HDD). What should I do if data transferring is being interrupted? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started