How to open file extension xltx (.xltx)

Ico for file extension .xltx

Also .xltx extension is supported by the next programs:

Microsoft Office Basic Edition 2003 Microsoft Office Excel Template

Activation Assistant for the 2007 Microsoft Office suites Microsoft Office Excel Template

2007 Microsoft Office system Microsoft Office Excel Template

Security Update for Microsoft Office system 2007 (KB956828) Microsoft Office Excel Template

Security Update for 2007 Microsoft Office System (KB951550) Microsoft Office Excel Template

Security Update for 2007 Microsoft Office System (KB955936) Microsoft Office Excel Template

Microsoft Office Excel Viewer Microsoft Office Excel Template