You can perform a global file search across all records using File Advanced Search.
- Open the App Launcher > File Advanced Search.
- Input filter criteria.
- Select Go (or hit Enter/Return).
Toggle Between Record Types
The Related To field in the File Advanced Search options enables users to limit the scope of their search to one specific record. When blank, all supported records are searched.
The Related To field displays a list of recently viewed record Names, shown below:
These Names are not accepted as search criteria. Instead, input a value related to the Display Field of the record you want to find. Display Fields may vary per object based on the configuration of your Salesforce Org.