Microsoft Project add-in

Turn a Microsoft Project plan into reviewed Outlook meeting invitations.

Review-first by design — nothing is sent automatically. You approve every invitation.

Free download, free to try in full for 7 days. After that only invitation creation needs a license — everything else stays free. Windows 10/11, Microsoft Project desktop required.

How it works

Six steps from plan to reviewed invitations

1Open your project plan in Microsoft Project and click the Relay tab.
2Relay reads the assigned resources' email addresses and each task's date.
3Check Emails tells you up front if anyone assigned is missing an email address.
4Preview shows exactly who would be invited and who is skipped, and why — creating nothing.
5Create builds one Outlook meeting invitation per eligible task and opens each as a draft.
6You review and send from Outlook. Relay never sends anything itself.

Features

Built for planners who check before they send

Review-first: every invitation opens as an Outlook draft, never sent automatically.

Reads assigned resource emails straight from your Project plan.

Live preview shows who gets invited and who is skipped, and why.

Optional approved-domains allowlist keeps invites to addresses you trust.

Per-run limit prevents accidental mass invitations from a large plan.

Limit a run to just the task rows you selected in the plan.

Inline email editor: fix missing resource emails and save back to the plan.

Reminder on plan open when assigned people are missing emails.

Task ID and WBS code written into every invitation.

Save settings as your default or store them inside a specific plan.

Your plan data never leaves your computer; no ads, analytics, or tracking.

Per-user install, no admin rights, clean uninstall, code-signed.

Safeguards you can point to in a review

Relay never sends email on your behalf. Invitations open as normal Outlook drafts for you to review, edit, and send yourself. Recipients are re-validated the moment invitations are created, a per-run limit guards against accidental mass sends, and summary rows, completed tasks and past-dated tasks are skipped automatically.

Screenshots