Once installed, go to the Extensions view (Ctrl+Shift+X) and search for "Edit csv" or "Rainbow CSV."

Zero processing. It shows you exactly how the data is written, which is vital for debugging "broken" CSVs where commas might be in the wrong place.

Small files and checking delimiters (commas vs. semicolons). How to Choose the Right Tool Recommended Microsoft Tool Simple viewing & editing Microsoft Excel Massive data (1GB+ files) Power BI Desktop Fast, lightweight, & free VS Code + Extensions Quick raw data check Online/No download Excel for the Web Pro Tip: Avoiding Common CSV Errors in Microsoft Tools

Use the wizard to ensure every column is formatted exactly how you want.

Developers and power users who need to see the raw data structure alongside a visual table. 3. Microsoft Power BI Desktop

I can give you a step-by-step guide for the specific tool that fits your workflow.