Notes about the HDI file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The HDI file type is primarily associated with 'AutoCAD' by Autodesk, Inc..
Detailed information for file extension HDI:
Program ID: AutoCADHeidiDeviceInterfaceFile , AutoCADLTHeidiDeviceInterfaceFile
Other applications associated with file type HDI:
Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.
To view technical data on file-extension HDI click this link
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System Info for File Extension .HDI
The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly
from user systems.
ProgramID: AutoCADHeidiDeviceInterfaceFile, FileType: AutoCAD Heidi Device Interface File
ProgramID: AutoCADLTHeidiDeviceInterfaceFile, FileType: AutoCAD LT Heidi Device Interface File