Technics Sx KN 6000 keyboard effect memory data
File type: Various data file
Files with efc file extension are associated with Panasoc Techni Series keyboards. They contained music effects.
Found 4 different file type records with the same efc filename suffix.
File type category:
Various data file
Date updated: March 23, 2018
Record marked as obsolete and not updated for a long time.
The efc file extension is used by Panasonic Technic series Sx KN 6000 keyboards for files that contain effect memory data. Most likely no longer used audio format without support from Technics.
It is not possible to open files with *.efc extension.
Probably cannot be converted to anything else.
File type category:
Game file
Date updated: August 23, 2019
The efc file extension is related to the ANNO 2070, a real-time strategic, city building and economical simulation video game for Microsoft Windows operating system.
The efc file stores data used to visualize effects in the game.
The efc files are stored in rda game data archives.
Probably not meant to be accessed by the user.
Probably cannot be converted to anything else.
Software applications that handle other tasks involving efc files:
Microsoft Windows
File type category:
Configuration file
Date updated: October 7, 2026
eFiler is a Microsoft Windows plug-in for the Microsoft Outlook e-mail client. It helps users archive e-mail messages.
The efc file contains configuration used by eFiler. It is a support file for the plug-in rather than an e-mail archive or a document intended for independent use.
An efc file should be used by eFiler with Microsoft Outlook on Microsoft Windows. It is not normally opened directly; install or use the associated eFiler plug-in so that it can read the configuration.
Do not edit the file in a text editor unless the eFiler documentation specifically recommends doing so, because changing configuration data manually may prevent the plug-in from working correctly.
An efc file is a configuration file, so it does not have a meaningful document conversion target. eFiler configuration should remain in its original format.
If configuration must be transferred, use eFiler's own settings or configuration options rather than converting the file with a general-purpose converter.
Software apps that manage or store settings in efc files:
Microsoft Windows
File type category:
Encoded and encrypted file
Date updated: February 26, 2019
Record marked as obsolete and not updated for a long time.
The efc file extension seems to also have been used for some sort of encrypted file generated by program called FAIRCOPY.
It seems to be old and discontinued program and even the developers website is defunct now.
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