.txt.txt Guide

The "Save As" dialogue MUST prompt the user to normalize the file to a single .txt extension.

Ensure File Open Dialogues include *.txt.txt in the "Plain Text Files" filter. 4. User Experience .txt.txt

When a user attempts to save a file as .txt.txt , a warning should appear stating: "The extension '.txt.txt' is unusual. Did you mean '.txt'?" This helps prevent user confusion. To make this feature even better, let me know: The "Save As" dialogue MUST prompt the user

The purpose of this feature is to identify, validate, and correctly process files named with the suffix .txt.txt (e.g., report.txt.txt ). It ensures that applications treating these as plain text still parse them correctly, while security systems recognize them as potentially deceptive. 2. Functional Requirements User Experience When a user attempts to save a file as

The system MUST identify files ending in .txt.txt as plain text files, similar to .txt files.

The system MUST flag .txt.txt files in email attachments or download folders for potential spoofing. 3. Implementation Logic Detection: Scan for file extension regex: ^.*\.txt\.txt$ Handling Rule: