For severe cases of corruption, formatting is the only way to make the drive usable again.
Use for OS – If you want to use a hard drive for your operating system, it needs to be formatted to make room for the new file system and all the prerequisites to run macOS.How to Recover Data Lost After Formatting Toshiba Hard Driveįormatting a drive (especially an old drive) almost always makes it perform faster, and it may be imperative to the drive’s health.How to Format Toshiba External Hard Drive for Mac.What Format to Select for Toshiba Hard Drive.