All about PUBLICSUFFIXES Files

The PUBLICSUFFIXES file type is primarily associated with Web browsers, cookie libraries, security software.

PUBLICSUFFIXES	File extension: PUBLICSUFFIXES
	File type:	Domain suffix listing

What is a PUBLICSUFFIXES file

PUBLICSUFFIXES files mostly belong to Web browsers, cookie libraries, security software. The *.PUBLICSUFFIXES files contain a list of public domain suffixes, used to determine the top-level domain of a given URL. They are crucial for various internet-related tasks, such as cookie handling and security policies. The list is maintained and curated by the publicsuffix-list-tools project, ensuring accuracy and consistency across different applications.

How can I open a PUBLICSUFFIXES file?

You need a suitable software like Web browsers, cookie libraries, security software to open a PUBLICSUFFIXES file. You need a suitable software like Web browsers, cookie libraries, security software to open a PUBLICSUFFIXES file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your PUBLICSUFFIXES file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PUBLICSUFFIXES file directly in the browser:. Just drag the file onto this browser window and drop it.

Online PUBLICSUFFIXES Text Viewer

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Trouble Opening a .PUBLICSUFFIXES File? These Steps Will Help

PUBLICSUFFIXES files can come from different programs and aren't universally openable.

Identify the Source: These files often come from web developers or security researchers, suggesting they are domain suffix listings used by web browsers, cookie libraries, or security software.
Check the Header: Open the file in a basic text editor to inspect the opening lines. You might see:
- Readable text like // ===BEGIN ICANN DOMAINS===, indicating a standard Mozilla Public Suffix List.
- Plain text domain lists (e.g., co.uk), confirming it's a domain scope file.
Use the Original Software: The original program is usually required to process these lists. Try using Mozilla Firefox, Google Chrome, or specific cookie management libraries, and ask the sender if uncertain.
Use this Webpage: Drag and drop your file onto this page to detect its format, extract readable text, and preview its contents.

Technical Data for PUBLICSUFFIXES File Extension

File classification:

Internet, Domain Names, Web Browsers

Related files:

file, bps, 264, wasm

a publicsuffixes Domain suffix listing is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with PUBLICSUFFIXES files

Associate the PUBLICSUFFIXES file extension with the correct application.
Update your software that should actually open domain suffix listings. Because only the current version supports the latest PUBLICSUFFIXES file format. Search, therefore, e.g. on the manufacturer website after an available Web browsers, cookie libraries, security software update.
To make sure that your PUBLICSUFFIXES file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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