UTF-8 Encoding in CSV Files: No More Broken Accents
Why strange characters like é or ’ show up in your CSV files, what UTF-8 and the BOM are, and how to avoid encoding problems for good.
File Conversion
Guides to convert between XLS, XLSX, CSV, ODS and PDF without losing data.
Spreadsheet File Formats Explained: XLS, XLSX, XLSM, CSV, ODS and More
A quick guide to the most common spreadsheet formats, what each one is for, their limits and which one to choose for what you need to do.