Microsoft introduced the DOCX format, which ends with the extension .docx, in 2007 as an upgrade to its popular word-processing program, Word. DOCX files' incompatibility with earlier versions of Word ...

DocX Viewer gives you the ability to open, view, and print files in DOCX format, even if you don't have an up-to-date version of Word. When you open a file in this app, you can also copy and paste the ...