.SEO File Extension

A .SEO file is a SEO Note File, created by SEO Note.

Open with SEO Note. Available for Windows.

What is a .SEO file?

The file extension .SEO is associated with a type of file known as an SEO Note File. These files are created using a program called SEO Note, which is free software designed for managing personal and business information. An SEO Note File can contain notes and data that are formatted in plain text, rich text (which allows for various text formatting options like bold and italics), or HTML (a language used for creating web pages). Additionally, one single .SEO file can include several different documents within it, making it a versatile tool for organizing a lot of information in one place.

To open a file with the .SEO extension, you should use the SEO Note program. This is the specific software designed to create, edit, and manage these files. Since SEO Note is the program that originally creates these files, it is best suited to handle their format and contents effectively.


Our goal is to help people find the most up-to-date information about file extensions for Windows, Mac, Linux, Android and iOS. We researched over 10,000 file extensions and their respective programs that open those files. If you want to suggest edits or updates about .SEO file formats, example files, or programs that are compatible. Please contact us.

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