: Often distributed as "Multi-12" or "Multi-22" language packs.

: Specific fixes for stability in Outlook and Excel when handling large data sets.

: Official support ended in late 2020. Microsoft no longer provides technical support, bug fixes, or security patches.

: Introduced more robust SHA-256 signature support (later updated in 2019 to replace retired SHA-1 signatures). The "January 2024" Release Context

: Frequently bundled with unofficial activators like Microsoft Toolkit or KMS, which carry significant security risks. Recommended Modern Alternatives

The Professional Plus edition was the most comprehensive "on-premises" retail/volume license tier, typically including: : Word, Excel, PowerPoint, and Outlook.

: Subscription-based service that is always up to date with the latest security features and cloud storage.