.TPM File Extension
File Type 1Transformation Parameters Model File
What is a TPM file?
Contains metadata that describes how to transform a UML (Unified Modeling Language) file into EGL (Enterprise Generation Language) code; enables graphical modeling of complex applications with IBM Rational software.
File Type 2Trusted Platform Module Password File
.TPM File Association 2
Saved password used for securing data with the Trusted Platform Module; saved in an XML format and should be stored in a safe location; used by the Microsoft's BitLocker Drive Encryption, along with the Encrypting File System (EFS).
BitLocker is included with Microsoft's Data Encryption Toolkit.