BIFF Command Viewer usage Guide - "BiffView++" shows the structure of older Microsoft Excel XLS file format (OLE structure / Compound File Binary container)

BIFF Command Viewer for Microsoft OLE Excel XLS – BiffView++
Core Optimizer

Learn how to use OfficeMalScanner - Microsoft Office Malware Scanner (Word / Excel / PowerPoint) for Malicious Macros, PE. Including Usage examples and tips

OfficeMalScanner – Microsoft Office Files Malware Scanner
Core Optimizer

This guide will help you setup python oletools by Decalage and show you some usage examples. Oletools are used to analyze types of Microsoft Office Files

Python Oletools Setup, Use – Microsoft Office File Analysis
Core Optimizer

In this guide you will understand how to setup and use Didier Stevens oledump python tool to Extract VBA Macro from Microsoft Excel / Word / Office files

Extract VBA Macro from Microsoft Word and Excel – oledump
Core Optimizer