To improve backup efficiency, we exclude the following files from our backup tasks:

*.zi
*.jpa
*.bkup
*.tar.gz
*.log
*.sql
*.tar
*.gz
*.zip
*.mp4
*.mp3
*.divx
*.avi
*.mpeg
*.rar
*.iso
*.exe
*.xen
*.7z
*.wav
*.wpress
*.mkv
*.pbo
*.VOB
*.h264
*_backup
*/duplicati
*.aes
*/php_error_log
*/backup-*.tar.gz
*/backup*.gz
*/backup*.zip
*/cpmove-*.tar.gz
*/site-*.tar.gz
*/backup_*
.MirrorSearch
*/autoptimize/*
*/wpbackitup_backups/*
*/com_akeeba/backup/*
*/backupbuddy_backups/*
*/.wysiwygPro_*
*/core.[0-9]*
public_html/cache/*
tmp/*
logs/*
.cagefs
.cagefs*
.cpan
.cpanel/caches
.cpanel/datastore
.cpcpan
.sqmailattach
.cpanel/*.sock
access-logs/*
*/error_log
*/updraft/*
public_ftp/*
softaculous_backups/*
*/wp-content/uploads/wpcf7_captcha/*
*/wp-content/widget-cache/*
*/wp-content/cache/*
*/wptsc-cachedir/*
mail/*/*/.Trash/*
mail/*/*/.Drafts/*
*/cache/smarty/*
*/var/amasty_fpc/*
*/var/backups/*
*/var/cache/*
*/var/debug/*
*/var/export/*
*/var/import/*
*/var/log/*
*/var/report/*
*/var/session/*
*/var/tmp/*
*/wp-content/cache/*
*/wp-content/uploads/wpcf7_captcha/*
*/wp-content/widget-cache/*
*/wptsc-cachedir/*

How to create ‘Snapshot Backups’ via the JetBackup interface