I can ensure you, it is a standard font. Since Office 2007 it's the replacement for Times New Roman as default typeface. For Win 7, 8 and 10 it's part of the standard installation too.
https://support.microsoft.com/en-us/kb/2761217
https://www.microsoft.com/typography...y.aspx?FID=287
There will be two attachments one is the test case (caltestfonts.zip) and an encrypted file called calibri.rar. I will send you the password vial PM.
Fonts interna:
Spoiler:
Font, Font name, Family Name, Alternative names, Weight
CALIBRI.TTF, Calibri, Calibri, , 400
CALIBRIB.TTF, Calibri-Bold, Calibri,[Calibri Bold][CalibriBold], 700
CALIBRII.TTF, Calibri-Italic, Calibri,[Calibri Italic][CalibriItalic], 400
CALIBRIL.TTF, Calibri-Light, Calibri Light,[Calibri Light][CalibriLight], 300
CALIBRILI.TTF, Calibri-LightItalic, Calibri Light,[Calibri Light Italic][CalibriLightItalic], 300
CALIBRIZ.TTF, Calibri-BoldItalic, Calibri,[Calibri Bold Italic][CalibriBoldItalic], 700