CSV Desk date and comparison practice pack
All records are fictional. CSV: UTF-8 with BOM, comma delimiter.
Import date_text and record_id as Text before conversion.
Keep input files unchanged. Expected files are comparison outputs, not inputs.
Tutorials: https://csvfieldguide.com/guides/mixed-date-text/ and https://csvfieldguide.com/guides/compare-csv-lists/
Native Excel formula tests: October 6, 2026, Mac 16.113.2.
The test inputs were written as literal text through the connected Excel session; this does not certify a new CSV import path.
