Sorry wrong thread... this should be in postpaid.
You may call 211 or logon to myAccount and request for a PDF copy of your bill to be sent to your email or via fax. You can request for your bills for the last 12 months.
myAccount Link: https://accounts.globe.com.ph/login
click the “Request for my billing statement” icon in the “I want to” section of your myAccount Dashboard.