Find Macs Compatible with macOS Big Sur Using a Custom Field Description Import the included Custom Field to identify Macs that are compatible or incompatible with macOS 11 Big Sur. macOS Custom Field, returns either: compatible or incompatible The screenshot below shows Reports (formerly Queries) in an older version of FileWave Central. Ingredients macOS - Custom Field exported file: Custom Big Sur Compatible Devices.customfields.zip Directions Download the exported Custom Field file and unzip it. In FileWave Central, choose Assistants > Custom Fields. Choose Import and select the unzipped Custom Field file. After importing, set Assigned to all devices as needed. Save the Custom Field. See Importing and Exporting Custom Field Files for the complete import workflow. You can assign this Custom Field to all devices because its Windows script returns NA.