https://userapps.support.sap.com/sap/support/knowledge/en/3594169
3594169 - SU01/SU01D/SU10/SU53 | Missing Spreadsheet Button post Upgrade | SAP Knowledge Base...
After an upgrade the Spreadsheet button is missing for T-codes SU53 and SU01. The option is also missing from the Right click drop down menu.