Various PrivateBin settings can be configured by editing /app/data/conf.php using the File manager.
Example:
name = "PrivateBin"
discussion = false
opendiscussion = false
password = false
fileupload = false
burnafterreadingselected = false
qrcode = false
email = false
default = "1day"
[expire_options]
; Set each one of these to the number of seconds in the expiration period,
; or 0 if it should never expire
; 5min = 300
; 10min = 600
; 1hour = 3600
1day = 86400
; 1week = 604800
; Well this is not *exactly* one month, it's 30 days:
; 1month = 2592000
; 1year = 31536000
; never = 0
plaintext = "Text"
; syntaxhighlighting = "Source Code"
; markdown = "Markdown"