On Windows systems, Feed and Grow: Fish typically stores its save data within the game's installation directory rather than the standard "Documents" folder.
Navigate to the SavesDir folder, copy the files (typically ending in .sav ), and paste them into a separate "Backup" folder on your desktop or cloud drive. feed and grow fish save file
If your fish dies or your save becomes corrupted, simply copy your backup files and paste them back into the original SavesDir folder, overwriting the current files. On Windows systems, Feed and Grow: Fish typically