Your Lacerte data files will be located at C:\Lacerte by default. Navigate to this folder in Windows File Explorer.
Right-click the 23tax or 24tax folder -> "Compress to..." -> ZIP File (see Screenshots below).
Upload the zip file to Truss!
Right Click + Compress to Zip - Windows 11
Right Click + Compress to Zip - legacy Windows
Upload the zip files to Truss!