In case of disaster, you should always have backups of important data. Memory sticks and disks make is a very good way for storing significant work on.
Backups! You can never have too many backups.
keep it in your pocket
back ur files up on a memory stick or a external hard drive
There are two best options for storing backups. You can store your backups on an external harddrive. This will not protect against damage from fire or flood which will probably destroy both the computer and the external harddrive. You can also backup your files online through different storage services.
make a backup file and get a portable hard drive.
Data backups
If you deleted personal security files, you might be able to recover them from your computer's recycle bin or trash if they haven't been permanently removed. If they are gone from there, you can use file recovery software to attempt to restore them. Additionally, if you have backups through cloud services or external drives, you can restore your files from those sources. Always ensure to create regular backups to prevent future data loss.
Backup Backup on another medium Backup somewhere else
There are many software programs that are making continues data backups in case something bad happens to your files. The backups are used to restore the files to its previous state.
Data files are data whereas data records are backups.
You should protect files from loss because they are expensive to replace. I have a number of them in my toolbox. I throw them away when they get dull. Some people use old files to make knives. The best ones for this are the ones made in the US.
then your stuff is lost and you won't have a second copy