There are 2 file types use the .OBML16 file extension:
1. Opera Mini Saved Webpage
An OBML16 file is a webpage saved in the Opera Binary Markup Language (OBML) format. OBML16 files are created by and can be opened in Opera Mini, a web browser for mobile platforms.
Opera Mini users can download webpages to view them without access to an Internet connection. When a user downloads a webpage, it is saved as an OBML16 file. OBML16 files use the OBML file format, which is a compact format designed to reduce the size (and increase the download speed) of web content.
NOTE: OBML16 files replaced .OBML15 files with the release of Opera Mini version 7.
Updated: April 17, 2021
2. Opera Mini Saved Web Page
Web page saved in the Opera Binary Markup Language (OBML) format; created by Opera Mini, a web browser for mobile platforms; can only be opened with the Opera Mini browser.
The OBML format used in the OBML16 file is a compact format designed to reduce the size of downloaded web content. This is beneficial for users dealing with low memory or power on their devices or downloading content on a slow network. It also allows users to revisit web pages without an Internet connection.
NOTE: The OBML16 file replaced the .OBML15 file extension with the release of version 7 of the Opera Mini web browser.
Updated: May 20, 2016