Since backup is meant to protect your most important information, certain types of files and folders are ignored during the backup process. This prevents you from backing up files and folders you don't need. These are the types of files and folders that are ignored during a back up:
- Application data
- Caches
- Cookies
- Trash/Recycle bin
- Temporary files
- System files
- System images
- .DS_Store files
- thumbs.db files
- desktop.ini files
- Files and folders that have these attributes:
- OFFLINE
- REPARSE_POINT
- VIRTUAL