auto backup From Cisco Devices

first configure FTP Server  in any PC

you can download it from here 

after that add the following command

config t
!
ip ftp username USERNAME
ip ftp password PASSWORD
archive
path ftp://IP.IP.IP.IP/cisco-device/switches/$h
!
kron policy-list BACKUP_CONFIG
cli archive config
!
kron occurrence Backup at 12:00 Fri recurring
policy-list BACKUP_CONFIG
exit
exit
wr

 

to check it type

show kron schedule