Based on our record, File-Extensions.org seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
File-extensions.org lists following files for .3 extension:. Source: about 1 year ago
FileProInfo - It's All About Files, Software, Online Tools - 100% Free
IObit Software Updater - IObit is an application that updates the software of your PC to keep all the software properly working.
FileInfo.com - FileInfo is the central file extensions registry and contains a database of over 10,000 file types.
Avira Software Updater - Application that searches updates for software on your computer
FILExt - Open, view and convert files online
UCheck - UCheck is a tool that will help you to keep your software updated.