About

M365 Cost Calc is a free, independent tool built by Hawkcrest Cyber to help IT and finance teams see what a Microsoft 365 E5 to E3 move really saves once replacements are counted.

Not affiliated with or endorsed by Microsoft. Microsoft 365 and related names are trademarks of Microsoft Corporation. Prices are US list prices as of the dates shown, change often, and differ under EA/CSP agreements. Feature overlap between products is approximate. Verify with your reseller or vendor before buying.