DOC vs DOCX: Key Differences, Compatibility & Which Format to Use
DOC is the legacy binary file format used by Microsoft Word 97-2003; DOCX is its XML-based successor introduced in Word 2007, smaller and more robust. People still see “.doc” attached to old resumes or legal docs emailed years ago, so they panic when newer PCs flag the file. That nostalgia keeps the confusion alive. Key…