Common file formats in allegro

Allegro/APD. jrl: records the command for each action executed when Allegro/APD is enabled.
Generated in the current working directory where Allegro/APD is enabled each time.
Env: If pcbenv exists, there is no extension and environment configuration file.
Allegro/APD. ini: records menu settings in pcbenv.
Allegro/APD. Geo: the position of the window is recorded in pcbenv.
Master. Tag: The text file generated during Allegro/APD is enabled, and the database of the last disk is recorded.
File name. The file will be loaded in the next time Allegro/APD is enabled.
Search for directory = to know where the master. Tag exists.
Lallegro. Col: The file written from the color palette read local in pcbenv.
The 24 colors on the color palette do not affect the settings of class/subclass.
. BRD: Board file (Allegro ).
. MCM: multi-chip Module (APD), design file.
. Log: records the data processing process and results.
. Art: Artwork finished.
. Txt: text files, such as parameter data and device files.
. Tap: NC drill text file.
. DAT: document.
. Scr: script or macro record file.
. Pad: padstack restart.
. Dra: drawing file. You can create a drawing file before creating a symbol, and then compiled it into a binary symbol file.
. PSM: Package symbol, solid packaging part.
. OSM: Format symbol, parts for manufacturing, assembly, and logo graphics.
. SSM: Shape symbol, used in the padstack designer to customize the geometric shape of the pad.
. BSM: Mechanical symbol, which has no electrical characteristics.
. FSM: the connection method of Flash symbol and negative-part guide through-hole.
. MDD: module, which can be created in Allegro and contains placed and routed data.
. Sav: extends upt database. When this type of file appears, it indicates that the data structure of your board has been damaged. If the file is not serious, you can use dB doctor to fix it.

File suffix	File Type
. BRD	Common board files
. Dra	You can edit and save the symbols or pad file.
. Pad	Padstack file, which can be called directly during symbols
. PSM	Library file, save package> part symbols
. OSM	Library file, save and format symbols
. BSM	Library file, saving organization symbols
. FSM	Library file, saving Flash symbols
. SSM	Library file, save shape symbols
. MDD	Library file, saving module definition
. Tap	Output file containing NC drill data
. Scr	Script and macro files
. Art	Negative Film output
. Log	Some temporary information files output
. Color	View-level file Switch
. Jrl	Record Allegro events