Community Contributions

A running log of public technical contributions in Microsoft 365 / Exchange Online and PowerShell automation. Microsoft’s MVP program evaluates recent, active impact rather than lifetime contributions, so this page is kept to a rolling 12-month window — older entries move to an archive rather than padding the current list.

Blog posts & technical writing

Date	Title	Platform	Link
2026-09-21	Finding Orphaned Shared Mailboxes at Scale: What My Precision Numbers Actually Taught Me	robertpmartin.com	Link
2026-09-21	A False “Token Expired” Halt in 50-Thread PowerShell — and the Statistics That Actually Fixed It	robertpmartin.com	Link
2026-09-21	Auditing Mailbox Permissions Across an 80,000-Mailbox Tenant	robertpmartin.com	Link
2026-09-21	Two Silent Failures I Found Building an M365 License Report	robertpmartin.com	Link
add entry		robertpmartin.com

Speaking & community engagements

Date	Event / Group	Topic	Audience size	Recording / slides
add entry

Forum, GitHub & open-source contributions

Date	Platform	Contribution	Link
add entry	Microsoft Q&A / Tech Community / GitHub

Product feedback & advocacy

Date	Product / Feature	Feedback channel	Outcome
add entry

Related on this site

• Microsoft 365 & Exchange Online posts
• PowerShell & Automation posts