I doubt it. Sure, they have a bunch of money, but possible mistyped domains are so many that you can't just reserve them all.
Transposed letters: Microosft, Microsfot, Microsotf, etc. 8 combinations
Letter one over on a QWERTY keyboard: Microsofr, Microdoft, Mivrosoft, etc., 18 combinations
More than one letter off by one: Way too many combinations.
Letters off and sometimes transposed: Let's test the budget then.
Easier just to put all those combinations into a spell checker and run it over stuff as you publish it. Or check that links work.
Biting the hand that feeds IT
