How-To Geek on MSN

Stop using DOC: Your old Word files are fragile, risky, and slow

Legacy DOC files risk corruption, hide malware, and slow modern collaboration—DOCX solves all three with modular XML design.
PC World

Old vs. new Microsoft Office file formats

Ankush khandelwal asked about compatibility issues between files created in different versions of Microsoft Office–specifically the big changes in file format that came with Office 2007. With Office ...