Formatting is useless for many times, but the data may be lost if the format can be changed, but it can be recovered through professional data recovery.Well, let's format it at a low level.
If it is really a national level, how can there be computer pupils like the landlord to operate it?Your computer grid disk, write something can, your colleagues, will eat enough to do nothing to restore the data on your computer?Even if you want to recover, it will take a lot of time. Which fool will do it in full view of the public?