QUICK ANSWERStart with the tool that matches your immediate input.
Open vCard File Generator first when its stated purpose matches the result you need now. Use XLSX to CSV only when it solves a separate next task.
This guide is for writers, office teams, students, and data workers. Start with vCard File Generator when your immediate task is to create a practical vcard file with guided options and a downloadable result. Move to XLSX to CSV only when you also need to convert your file or data with the XLSX to CSV directly in your browser.
The goal is not to run two tools automatically. It is to finish the first narrow task, inspect its result, and then decide whether XLSX to CSV solves a genuinely different next step.
Both tools sit in Documents & Files, but they handle different inputs or outcomes. Keeping those roles separate reduces repeated work and makes verification easier.