How many supported file formats

I’d like to know how many supported file formats LibreOffice has, and if someone knows, how does this compare to Office 2013 and Office 365?

For 5.x:

For 6.x:

In a couple of words: lots & lots!

I do not know the exact number but this recent blog post gives a decent account and indicates that LO supports more formats than the current versions of MSO.