User talk:StevenYang27

September 2017
Welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the one you made to List of filename extensions, appears to have been inappropriate, and has been reverted. Please feel free to use the sandbox for any test edits you would like to make, and read the welcome page to learn more about contributing constructively to this encyclopedia. Thank you. --David Biddulph (talk) 11:41, 7 September 2017 (UTC)