When you finish at least the Personal details tab, BDO Online Account Opening automatically saves an application. Take note of the draft reference number shown on the screen and use this to retrieve your application in this link: https://www.bdo.com.ph/anywhere/content/account-opening/retrieve

You can also click Continue Draft button in the Online Account Opening Homepage.

This partially saved form is stored in the system for seven (7) calendar day only. Beyond that, all info you have provided will be deleted and you will have to create a new application.