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How to open .B1 file extension?

File Type : 21st Century Mahjong
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .B1 files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .B1 file extension?

.B1 file extension is a known file type. This section of tells you everything you need to know about this extension.
Compressed archive created by B1 Free Archiver, a free file compression utility; based off of the .LZMA format and uses an openly published format; can be opened with B1 Free Archiver to extract the original set of files.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .B1 files:

Microsoft Windows:
  • B1 Free Archiver
Google Android:
  • B1 Free Archiver
  • B1 Free Archiver
Apple Mac OS X:
  • B1 Free Archiver