You are formatting a new USB drive to be used between several systems running different operating systems (Windows, OSX, Linux). What is the best format to use for the USB drive?
Answer Description
FAT32 is an older format that is supported on most systems, and is the best option provided. NTFS may cause issues between systems and OSs. HFS+ is the native OSX format and is not natively supported by some OSs (to include Windows). AES-128 is an encryption standard.
Wikipedia
File Allocation Table (FAT) is a computer file system architecture and a family of industry-standard file systems utilizing it. The FAT file system is a legacy file system which is simple and robust. It offers good performance even in lightweight implementations, but cannot deliver the same performance, reliability and scalability as some modern file systems. It is, however, supported for compatibility reasons by nearly all currently developed operating systems for personal computers and many mobile …
File Allocation Table - Wikipedia, the free encyclopedia