File extension Details of KYB, ATN, AMS, AVS, AHL, A2M, AHS, AST, LOP

Name:	KYB
File Type:	Keyboard Layout
Popularity:	3
Category:	settings
File Description:	Defines the layout of the keyboard (what input each key produces); often used for typing in different languages or using a keyboard from a foreign country. Some programs use .KEY files for the same purpose.
Open Programs:	Windows FTP Software PC/TCP Other programs that support multiple keyboard layouts

Name:	ATN
File Type:	Photoshop Actions File
Popularity:	3
Category:	settings
File Description:	Contains one or more actions recorded in Photoshop; used for automating common editing steps and for batch processing images; can be saved and loaded using the pop-up menu in the Photoshop Actions palette.
Open Programs:	Mac OS Adobe Photoshop Windows Adobe Photoshop

Name:	AMS
File Type:	Adobe Monitor Setup file   (Most common)
Popularity:	3
Category:	settings
File Description:	Stores monitor calibration settings defined in Photoshop's Color Settings preferences; used for modifying the way colors are displayed on different monitors and determines how RGB/CMYK conversions are done
Open Programs:	Mac OS Adobe Photoshop Windows Adobe Photoshop

Name:	AVS
File Type:	AVS Preset File
Popularity:	3
Category:	settings
File Description:	Configuration file used by Advanced Visualization Studio (AVS), an audio visualizer for Winamp; contains settings for animations that are created based on the music played within Winamp.
Open Programs:	Windows Nullsoft Winamp with the Advanced Visualization Studio plugin

Name:	AHL
File Type:	eMule Metadata File
Popularity:	3
Category:	settings
File Description:	Configuration file used by eMule, a peer-to-peer (P2P) file sharing program; replaces eDonkey, an earlier file sharing client. The AHL file can be used to limit the maximum numbers of sources that the client can connect to at one time; (Select Options->Connection, then Max Sources->File, and enter a value for "Hard Limit"); eMule will search and connect to sources until the Hard Limit value is reached. AHL stands for "Auto Hard Limit."
Open Programs:	Windows eMule

Name:	A2M
File Type:	TS-AudioToMIDI Settings File
Popularity:	3
Category:	settings
File Description:	Configuration file that stores preferences for TS-AudioToMIDI, an audio to MIDI conversion program; can be opened or saved within the program by clicking the "Open Settings" or "Save Settings" buttons at the bottom of main window. The A2M file contains settings for the following options: Tune, Auto Tune, Threshold, Noise Gate, Selectivity, Sharpness, MIDI Instrument, MIDI channel, Transpose, Algorithm, Minimal Note, and Pause duration; settings for the Equalizer (EQ), Filter, and Harmonic model are also saved.
Open Programs:	Windows TallStick Software TS-AudioToMIDI

Name:	AHS
File Type:	Adobe Halftone Screen File
Popularity:	3
Category:	settings
File Description:	Contains settings for creating a halftone image in Photoshop; created by first converting an image to Grayscale, then to Bitmap and selecting Use: "Halftone Screen..." as the method. The settings chosen within the Halftone Screen window can be saved by clicking the "Save..." button; existing AHS files can be loaded by clicking the "Load..." button.
Open Programs:	Mac OS Adobe Photoshop Windows Adobe Photoshop

Name:	AST
File Type:	Adobe Color Separations Table   (Most common)
Popularity:	3
Category:	settings
File Description:	Contains color separation options that can be loaded by several Adobe programs; may be used for defining color separations for printing, exporting to PDF, or exporting to another program; can be used for images using RGB, CMYK, and other color modes. Another common color separations format is a "Desktop Color Separations" (.DCS) file, which was developed by Quark.
Open Programs:	Mac OS Adobe Photoshop Adobe Illustrator Adobe Acrobat Windows Adobe Photoshop Adobe Illustrator Adobe Acrobat

Name:	LOP
File Type:	Mastercook Layout File
Popularity:	3
Category:	settings
File Description:	Stores the layout information for a Mastercook cookbook; created when a custom cookbook layout is saved. If the LOP file is removed, an error message may appear when opening the file; to prevent the error, delete the associated files ending with ".mks," ".mlk," and ".rpt." Do not delete the ".mcf" and ".mrf" files, as these contain the actual cookbook data.
Open Programs:	Mac OS ValuSoft MasterCook Windows ValuSoft MasterCook

Name:	RB
File Type:	Rosebud Profile
Popularity:	3
Category:	settings
File Description:	User profile for Rosebud, a program for controlling devices via SMS and using special SMS services offered by mobile providers; stores settings for a specific user.
Open Programs:	Pocket PC hfrmobile Rosebud