.FFL File Extension

Contains a list documents found by Microsoft Find Fast, a search feature used by Microsoft Office and Outlook; created and updated using the Find Fast control panel and should not be opened manually.

Typically named "Ffastun.ffl" and located in the root directory of a hard disk that has been indexed.

File used by Fetion, a Chinese instant messaging client similar to AIM or ICQ; contains a collection of emoticons used for inserting smileys and other fun graphics during online chatting sessions.

NOTE: The Fetion user interface is localized in Chinese.