Macro Keys encrypted macro
File type: Encoded and encrypted file
An mck file is an encrypted macro file used by Macro Keys.
It contains macro data for the Windows software.
File type category:
Encoded and encrypted file
Date updated: October 12, 2026
The mck file extension is associated with Macro Keys, a Microsoft Windows tool for creating macros and replacement text shortcuts.
Macro Keys macros can automatically type large, repetitive texts. An mck file stores this macro data in encrypted form and is intended to be used by Macro Keys rather than read as a plain-text document.
Use Macro Keys on Microsoft Windows to work with *.mck files.
Conversion of this file format is not possible.
Software applications that handle other tasks involving mck files:
Microsoft Windows
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