https://support.sap.com/en/release-upgrade-maintenance/maintenance-information/maintenance-strategy/s4hana-business-suite7.html

Extended Innovation Commitment for SAP S/4HANA
Clarity and Choice on SAP Business Suite 7

On February 4, 2020, SAP has announced a maintenance commitment for SAP S/4HANA until the end of 2040. At the same time, SAP will provide mainstream maintenance for SAP Business Suite 7 core applications until end of 2027. This offboarding phase will be followed by optional extended maintenance until end of 2030.

SAP will provide mainstream maintenance until end of 2027 for SAP Business Suite 7 core applications, which are also core applications of SAP Business All-in-One, including: 

• SAP ERP 6.0, 
• SAP Customer Relationship Management 7.0, 
• SAP Supply Chain Management 7.0, 
• SAP Supplier Relationship Management 7.0 applications, 
• SAP Business Suite powered by SAP HANA.