Complex sentence: Word Viewer 97-2000 was released on 17 March 1999 and was able to open documents that were created with Word 97, Word 2000 and Word for Mac v4.x and later.
Split into simpler sentences: Word Viewer 97-2000 was released on 17 March 1999. It opens documents that are created with Word 97, Word 2000 and Word for Mac v4.x and later.