Added support for Local files for Excel Agent

Release notes for Office for Mac

March 10, 2026
Version 16.107 (Build 26030819)

Feature updates
Excel
Local files support for Excel Agent.: Added support for Local files for Excel Agent in modern Excel workbooks stored on your device, giving you the flexibility to query Copilot Chat no matter where your files are located.

Resolved issues
Excel

• Quality and performance improvements.

OneNote

• Quality and performance improvements.

Outlook
Version 16.107 (Build 26030937) - Quality and performance improvements.

PowerPoint

• Quality and performance improvements.

Word

• Quality and performance improvements.

Security updates
Excel

• CVE-2026-26107
• CVE-2026-26108
• CVE-2026-26109
• CVE-2026-26112

Office Suite

• CVE-2026-26110
• CVE-2026-26113