Software⏱️ 2 min read📅 2026-05-31

How to Fix: "Unicode Error 'unicodeescape' codec can't decode bytes..." when writing Windows file paths

Unicode Error 'unicodeescape' codec can't decode bytes when writing Windows file paths

Quick Answer: Use raw strings by prefixing the path with r, or use double backslashes to escape the backslash in the path.

The "unicodeescape" error occurs when the Python interpreter attempts to interpret certain characters in a Windows file path as escape sequences, rather than literal characters. This is because Windows uses backslashes (") to separate directory paths, but Python interprets them as escape characters.

🛑 Root Causes of the Error

  • The issue arises when using raw strings (r"...") in Python, which allows backslashes to be treated as literal characters.

🛠️ Step-by-Step Verified Fixes

Method 1: Using Raw Strings with Forward Slashes

  1. Step 1: Replace all backslashes (") with forward slashes (/) in the file path.

Method 2: Using Double Backslashes

  1. Step 1: Double the backslash (\") to escape it.

💡 Conclusion

By applying one of these fixes, you should be able to resolve the "unicodeescape" error when writing Windows file paths in Python.

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