All updates 
By Denny Beats, Product Owner
Web Release 225.0
Fixed CSV import for some Excel-exported files by adding semicolon () delimiter support, resolving the “Unsupported header” error.
By Denny Beats, Product Owner 
Update (bug fix)
CSV import – fixed the “Unsupported header” error when uploading certain CSV files.
The importer now correctly handles CSVs that use a semicolon (;) as a delimiter (common for Excel exports) when comma-based parsing fails.