
You who often work in several PCs will need to move your files within your PCs. This can be laborious. You can use tools like Dropbox or Sugarsync to synchronize your important files and favorites. But if you have a slow connection, you’ll need long time to do this.
Alternatively you can back up your important data to your removable drive before connecting your drive to other machines then restore your contents. You can restore your contents back to host PC if a problem happens in future.
To offer you an easier work, there is a tool namely FBackup that is free to use, comes from Backup4All that covers basic backup process. It contains free templates to help you backup My Pictures, email, My Documents and so on. This tool will help you to backup to a drive (connected or removable one). This tool even can help you to do the process across the network.
For getting the most you can make ZIP compression to back up the important files. You can do that even if your files are being used and opened by an app.