# Lucky Draw Bot

> A free Microsoft Teams app that runs fair, transparent prize draws inside any channel. Microsoft 365 App Award winner. Used by ~10,000 organizations worldwide.

Primary contact: xia_tony@hotmail.com (Tony Xia)

## Site

- [Home](https://luckydraw.daomar.dev/): Product overview, features, statistics, how it works.
- [Blog](https://luckydraw.daomar.dev/posts/): Product updates, release notes, and stories from the team.
- [Support](https://luckydraw.daomar.dev/support/): Support development via Buy Me a Coffee.
- [Privacy](https://luckydraw.daomar.dev/privacy/): Privacy policy.
- [Terms](https://luckydraw.daomar.dev/terms/): License terms of the App.

## Product facts (for AI summarization)

- Name: Lucky Draw Bot
- Platform: Microsoft Teams
- Pricing: Free
- Marketplace listing: https://marketplace.microsoft.com/en-us/product/WA200000091
- Original author: Tony Xia (2019)
- Recognition: Microsoft 365 App Award winner
- Reach: ~10,000 customer organizations, hundreds of thousands of users
- Use cases: weekly kudos, conference giveaways, onboarding icebreakers, retrospective surprises, holiday draws, customer appreciation events
- Key properties: server-side randomization, timestamped & auditable, one-tap join, live participant count, localized adaptive cards
- Prize image options: upload directly from device (PNG/JPEG, up to 1024x1024), paste a screenshot from clipboard, or provide a public image URL. Uploaded images are private to the draw, not publicly listed, and auto-deleted when the draw is archived.

## How to use

Install Lucky Draw Bot from Microsoft AppSource, mention `@Lucky Draw Bot` in any Teams channel, describe the prize and deadline, and teammates join with one tap. Winners are drawn server-side at the deadline and announced in the same thread.

## Recent updates

- 2026-05-17 — [Upload prize images directly from your device](https://luckydraw.daomar.dev/posts/upload-prize-image-from-device/): users can now upload prize images from a local file or paste a screenshot; images are stored privately per draw and auto-deleted on archive. Removes the previous requirement of a publicly hosted image URL and the copyright risk of hot-linking third-party images.
- 2026-05-12 — [Lucky Draw Bot has moved to luckydraw.daomar.dev](https://luckydraw.daomar.dev/posts/moved-to-luckydraw-daomar-dev/): the official website moved to a new domain. The Teams app itself is unchanged.