Organize files into subfolders within the zip to make the report easier to navigate.
Use clear naming conventions (e.g., 2026-04-28_ProjectName_Preview.pdf ). Previews.zip
Select > Compressed (zipped) folder [ Zip and unzip files - Microsoft Support ]. Rename it Previews.zip . macOS: Select all the files you want to include. Organize files into subfolders within the zip to