A .CSV file is a Comma-Separated Values associated with Code & Data. Plain text file format organizing structured data into rows and comma-delimited columns.

How do I open a .CSV file on Windows or Mac?

You can open .CSV files using Microsoft Excel, Google Sheets. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .CSV to a standard format in your browser.

Is a .CSV file safe to open?

This format carries a safety rating of Low Risk. Plain text. Beware of formula injection strings (=CMD) if opening in Excel.

Can I convert a .CSV file to other formats?

Yes! .CSV can be converted to formats such as .XLSX directly in your web browser.

What should I do if a .CSV file is corrupted or won't open?

If your .CSV file displays an invalid header or signature error, check its magic bytes hex header (ASCII Text Data) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

Code & Data • MIME: text/csv

.CSV – Comma-Separated Values

Plain text file format organizing structured data into rows and comma-delimited columns.

Primary Category Code & Data

MIME Type text/csv

Magic Bytes Signature ASCII Text Data

Security Risk Rating Low Risk

Recommended Software to Open .CSV

Microsoft Excel

windows, mac • Commercial

Google Sheets

windows, mac, linux • Free