>> Being retro-compatible in a walled garden only doesn't make all that sense. > It makes perfect sense from the company's point of view. Yeah, for sure, but

>> Being retro-compatible in a walled garden only doesn't make all that sense. > It makes perfect sense from the company's point of view. Yeah, for sure, but I was criticizing OP that was praising MS for still being compatible with their own 20+ years old proprietary and hegemonic document format.