.XLSHTML

.XLSHTML file extension

This is the list of programs to work with .XLSHTML extension

Microsoft .NET Framework Hotfix (KB928367)

Microsoft .NET Framework Hotfix (KB928367) Microsoft Excel HTML Document

Security Update for Office 2007 (KB934062)

Security Update for Office 2007 (KB934062) Microsoft Excel HTML Document

Microsoft Excel 2003

Microsoft Excel 2003 Microsoft Office Excel HTML Document

Microsoft Office 2003 Web Services Toolkit

Microsoft Office 2003 Web Services Toolkit Microsoft Office Excel HTML Document

Microsoft Office 97, Developer Edition Tools

Microsoft Office 97, Developer Edition Tools Microsoft Office Excel HTML Document

Microsoft Global IME for Office XP (Japanese)

Microsoft Global IME for Office XP (Japanese) Microsoft Office Excel HTML Document

Security Update for Microsoft Office Word 2007 (KB950113)

Security Update for Microsoft Office Word 2007 (KB950113) Microsoft Office Excel HTML Document

This update is to prevent other to run and modified in a malicious way a file.
Microsoft Text-to-Speech Engine (English)

Microsoft Text-to-Speech Engine (English) Microsoft Excel HTML Document

DjVu ActiveX Control for Microsoft Office

DjVu ActiveX Control for Microsoft Office Microsoft Excel HTML Document

You will have a better user experience by using this plugin.
Microsoft Global IME for Office XP (Simplified Chinese)

Microsoft Global IME for Office XP (Simplified Chinese) Microsoft Office Excel HTML Document