Microsoft's officially reported carbon numbers don't include the impact of their software on devices sold by other OEMs. This is a gray area of the GHG protoco

Microsoft's officially reported carbon numbers don't include the impact of their software on devices sold by other OEMs. This is a gray area of the GHG protocol on how to account for SW carbon emissions; some companies count it some don't. [https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RW15mgm https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RW... pp 11.]