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.CSV file extension

To open .CSV files on Windows, right-click the .csv file and choose open with..

.CSV files are typically opened with software that supports CSV Document File. Open them with office suites or document editors that support the format. Avoid renaming the extension directly, because renaming does not convert the actual file format.

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Open on your device

Choose your operating system for a dedicated step-by-step opening guide.

How to open .CSV files

Use these platform-specific instructions to open .CSV files safely.

Windows

  1. Right-click the .CSV file and choose Open with.
  2. Select a trusted Windows app that supports .CSV files.
Full Windows guide

Mac

  1. Control-click the .CSV file and choose Open With.
  2. Pick a compatible Mac application to open the file.
Full Mac guide

Linux

  1. Open the .CSV file from your file manager with Open With.
  2. Choose an installed Linux app that supports this format.
Full Linux guide

iOS

  1. Open the .CSV file from Files and tap Share.
  2. Send it to a compatible iOS app if Quick Look cannot preview it.
Full iOS guide

Android

  1. Open the .CSV file from Files or Downloads.
  2. Choose a trusted Android app that supports the format.
Full Android guide

Can't open this file?

These are the most common causes and fixes when .CSV files fail to open.

Common reasons

  • .CSV file does not open

Fix steps

  1. Install or update a compatible application.
  2. Verify the file came from a trusted source and was fully downloaded.
  3. Try opening the file in an alternative app on another platform.

OS-specific troubleshooting

Convert .CSV to other formats

Use conversion tools to change .CSV files into formats your software supports.

What is a .CSV file?

.CSV is a CSV Document File format used for reports, contracts, office collaboration, and formatted text workflows. These files can include text, layout metadata, embedded media, and revision history. Common MIME type: text/csv. If the file does not open, check that you are using a compatible app and a complete, trusted file source.

Common MIME types: text/csv

Common .CSV issues

.CSV file does not open

This usually means the required app is missing or the .CSV file is incomplete.

  1. Install or update a compatible application.
  2. Verify the file came from a trusted source and was fully downloaded.
  3. Try opening the file in an alternative app on another platform.

Security notes

  • Only open .CSV files from trusted senders.
  • Scan downloaded files before opening them.
  • Avoid running embedded scripts or macros unless you trust the source.

FAQ

Can I convert a file by renaming it to .CSV?

No. Renaming changes only the suffix. Use a proper conversion tool or export function.

Is .CSV safe to open?

It can be safe when the file comes from a trusted source and is opened in reputable software.

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