How to Open a CSV File in Windows 11 [4 Ways]

July 31, 2025 admin

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On Windows 11, opening a CSV file may seem straightforward—but many users run into issues such as broken formatting, jumbled text, or the file opening in the wrong application like Notepad instead of Excel.

If you’re wondering how to open a CSV file properly on your Windows 11 PC, this guide walks you through all the reliable options: from Excel and Notepad to Google Sheets and free alternatives like LibreOffice. Whether you’re a casual user reviewing data or someone managing large reports, we’ll help you pick the right method, avoid encoding issues, and ensure your CSV files are readable and well-formatted.

Let’s look at the easiest and most effective ways to open a CSV file on Windows 11.

Open CSV in Microsoft Excel

1. Right-click the CSV file → click Open with → choose Excel
2. If not listed, click Choose another app → find Excel manually
3. Excel will auto-detect separators like commas or semicolons
Open CSV in Notepad or Notepad++

1. Right-click the file → choose Open with → select Notepad
2. For better formatting, install Notepad++ via https://notepad-plus-plus.org
3. Set UTF-8 encoding if text appears broken
Open CSV in Google Sheets

1. Go to sheets.google.com
2. Click File → Import → Upload, then select your CSV
3. Customize delimiter (comma, tab, semicolon) in import settings
Open CSV with LibreOffice Calc (Free)

1. Download LibreOffice from libreoffice.org
2. Open Calc → File → Open → select your CSV
3. Choose delimiter and encoding in the import wizard

Fix CSV Not Opening Properly

Right-click the CSV → Properties → “Opens with” → set default to Excel
Change file extension to .txt and reopen in Excel via File → Open
Use Data → From Text/CSV in Excel to manually import and preview

Why It Works

CSV (Comma-Separated Values) is a plain-text format readable by many programs. Excel parses structured data best, but editors like Notepad work for basic review. Online tools offer cross-platform access without installation.

FAQs

What program opens CSV files by default on Windows 11?
By default, Windows may open CSVs with Notepad. You can change this to Excel in File Properties.

Why does my CSV show in one line or with weird characters?
This happens due to incorrect encoding or delimiters. Use Excel’s import feature and select the proper separator.

Can I open CSVs without Excel?
Yes, using Notepad, Google Sheets, LibreOffice Calc, or even a browser extension.

Radu Tyrsina

Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time).

For most of the kids of his age, the Internet was an amazing way to play and communicate with others, but he was deeply impressed by the flow of information and how easily you can find anything on the web.

Prior to founding Windows Report, this particular curiosity about digital content enabled him to grow a number of sites that helped hundreds of millions reach faster the answer they’re looking for.

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