msoffice

Something about MS Office

Security

File format attack

Office File Validation Addon

Effectiveness of Microsoft Office File Validation

How to disable irritating Office File Validation security alert?

Microsoft Office Binary File Format Validator: just for binary format developer?

Runtime exploit mitigation

Blog: A Security Comparison: Microsoft Office vs. Oracle Openoffice

EMET

Inter-operability

Alternatives: LibreOffice, Kingsoft WPS (mainly for Chinese market)