I received an email this morning about the disablement and I am new to this org. Is there a way to a 'quick' check for the buttons instead of going through all of them individually?
To check the fields, please go to setup>customize>object (Account, Case, etc…)>fields. From the fields list please check if you have formula fields by looking at the data type column. If there are formula fields please open the field by clicking the name of the field and then check if it contains the ‘HYPERLINK’ function. If it does please verify if the word ‘Javascript’ is included in the formula.