MSHI files exist with MSHC files in signed .CAB archives. The Microsoft Help Index Format file format developed by Microsoft. Modification or reading done in Microsoft Windows Help. Tools for MSHI files: MSHI File Opener, MSHI File Converter, MSHI File Viewer, MSHI File Editor.
Install software supporting MSHI files. Select program and download from source and install.
Update application to open .MSHI files. Latest version supports current format. Scan .MSHI file for viruses with antivirus.
MSHI file extension contains index of help catalog in binary format. Related to Microsoft Help utility with some data. Not meant to be opened manually by user. Not convertable.
When Windows does not recognize extension, select app to open .mshi file. Associate MSHI extension to software in Windows Registry. Many files contain only simple text data.
Information how to open MSHI file and current list of applications supporting it. Convert .MSHI file to different format with program. Right click file, open with, choose another application.
Microsoft Help Viewer