OfficeDev/Microsoft-Teams-Samples

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Welcome to the Microsoft Teams samples repository. Here you will find task-focused samples in C#, JavaScript and TypeScript to help you get started with the Microsoft Teams App!

Stars: 1.4k
Forks: 925
Open beginner issues: 0
Indexed issues: 67
Avg merge: 8d 17h
Merged PRs (30d): 5

Dominant language: No language data
License: MIT
Last GitHub push: Sep 2, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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67 open issues indexed

Where can I find the official list of supported file upload extensions for Teams? Open

needs-triage :mag:

Difficulty 1/5 Under an hour Newbie friendliness 35/100

OfficeDev/Microsoft-Teams-Samples#2402 · 2 comments · Opened Sep 17, 2026
Declarative agent (remote MCP) response returns null in Microsoft 365 Copilot Android app, works on Copilot web Open

bug

OfficeDev/Microsoft-Teams-Samples#2401 · 4 comments · 1 assignee · Opened Sep 16, 2026
How to securely authenticate Web API endpoints called from custom Task Module (Dialog) JavaScript frontend using Teams SDK (.NET 10) Open

needs-triage :mag:

Difficulty 5/5 Over a week Newbie friendliness 28/100

OfficeDev/Microsoft-Teams-Samples#2398 · 2 comments · Opened Sep 4, 2026
Can we use a team app build using Team SDK in Outlook and copilot Open

needs-author-feedback status-no-recent-activity

OfficeDev/Microsoft-Teams-Samples#2387 · 10 comments · 1 assignee · Opened Aug 7, 2026
looks correct, Approving! Open

needs-triage :mag:

Difficulty 1/5 Under an hour Newbie friendliness 1/100

OfficeDev/Microsoft-Teams-Samples#2381 · 2 comments · Opened Jul 30, 2026
Failing to send welcome message using the conversation id from conversation update event Open

OfficeDev/Microsoft-Teams-Samples#2371 · 24 comments · 1 assignee · Opened Jun 22, 2026
New type property of prompt starters (bots.commandLists.commands) not respected by Teams/Copilot Open

bug

OfficeDev/Microsoft-Teams-Samples#2359 · 11 comments · 1 assignee · Opened May 28, 2026
Marketplace Copilot Agent - Adaptive Card is not working in Mobile. Open

needs-triage :mag:

Difficulty 4/5 3-5 days Newbie friendliness 42/100

OfficeDev/Microsoft-Teams-Samples#1975 · 2 comments · Opened May 8, 2026
Just-in-Time Bot Installation Fails in Meeting Chat After Deletion on Android Open

bug

OfficeDev/Microsoft-Teams-Samples#1949 · 4 comments · 1 assignee · Opened Apr 6, 2026
Activity Badge Counter Not Incrementing for 3rd Party Apps on iOS Open

bug

OfficeDev/Microsoft-Teams-Samples#1896 · 5 comments · 1 assignee · Opened Feb 4, 2026
Stuck in “active verification in progress Open

needs-triage :mag:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OfficeDev/Microsoft-Teams-Samples#1895 · 4 comments · Opened Feb 3, 2026
When reading the property page...I don't see the data I sent from the adaptive card. Open

bug

OfficeDev/Microsoft-Teams-Samples#1849 · 10 comments · 1 assignee · Opened Dec 18, 2025
In Outlook, the compose extension shows 'login required.' but in teams compose shows the full card. Open

bug

OfficeDev/Microsoft-Teams-Samples#1836 · 3 comments · 1 assignee · Opened Dec 1, 2025
Adaptive Card images break after toggle or re-render in Microsoft Teams (blob URL invalidation) Open

bug

OfficeDev/Microsoft-Teams-Samples#1827 · 7 comments · 1 assignee · Opened Nov 17, 2025
Will templates be updated for new versions? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OfficeDev/Microsoft-Teams-Samples#1816 · 3 comments · Opened Nov 3, 2025
Guiding Users to Install the Team Version First for Apps with Both Scopes Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

OfficeDev/Microsoft-Teams-Samples#1783 · 4 comments · Opened Sep 29, 2025
Unable to validate the app for publication on the Microsoft Store due to graphical customization limitations Open

OfficeDev/Microsoft-Teams-Samples#1780 · 4 comments · 1 assignee · Opened Sep 23, 2025
Partner Center reviewers can’t access our Dataverse for Teams app; submitted manifest package doesn’t include the app Open

needs-attention

Difficulty 5/5 Over a week Newbie friendliness 15/100

OfficeDev/Microsoft-Teams-Samples#1769 · 4 comments · Opened Sep 8, 2025
Copilot scope for bot command list not used by M365 Copilot Open

bug documentation

OfficeDev/Microsoft-Teams-Samples#1767 · 7 comments · 1 assignee · Opened Sep 4, 2025
Staging environment giving 403 Forbidden though all the settings are mirrored correctly. Open

bug

OfficeDev/Microsoft-Teams-Samples#1756 · 12 comments · 1 assignee · Opened Aug 27, 2025
Activity Badge Counter Not Incrementing on iOS for SL2 for Teams (Third-Party App) Open

OfficeDev/Microsoft-Teams-Samples#1745 · 6 comments · 1 assignee · Opened Aug 18, 2025
SL2 for Teams Activity Notifications Not Working on iOS Open

bug

OfficeDev/Microsoft-Teams-Samples#1739 · 13 comments · 1 assignee · Opened Aug 4, 2025
Error Sideloading to Teams Open

bug

OfficeDev/Microsoft-Teams-Samples#1721 · 8 comments · 1 assignee · Opened Jul 11, 2025
Redirect to MS Teams when click 'get started' in New Window Open

OfficeDev/Microsoft-Teams-Samples#1664 · 4 comments · 1 assignee · Opened May 14, 2025
Unable to create nickname on contacts Open

needs-triage :mag:

Difficulty 5/5 Over a week Newbie friendliness 20/100

OfficeDev/Microsoft-Teams-Samples#1658 · 3 comments · Opened May 8, 2025
Unable to recive real time particapant join and leave events Open

needs-triage :mag:

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OfficeDev/Microsoft-Teams-Samples#1656 · 9 comments · Opened May 7, 2025
Issue trying to open my Application from Outlook Apps Store Open

needs-triage :mag:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OfficeDev/Microsoft-Teams-Samples#1644 · 2 comments · Opened Apr 24, 2025
Meeting titles not getting displayed Open

bug

OfficeDev/Microsoft-Teams-Samples#1617 · 2 comments · 1 assignee · Opened Apr 7, 2025
Link my Bot Application to my AzureAd application Open

needs-attention

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OfficeDev/Microsoft-Teams-Samples#1612 · 11 comments · Opened Apr 2, 2025
Access denied for the resource on Desktop teams app. Open

needs-attention

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OfficeDev/Microsoft-Teams-Samples#1597 · 28 comments · Opened Mar 18, 2025
turnContext.sendActivity does not return reply.id (messageResponse) for channel messages - problem when passing ID to external API Open

needs-attention

OfficeDev/Microsoft-Teams-Samples#1561 · 8 comments · 1 assignee · Opened Feb 6, 2025
Dialog is not showing in MS Teams Mobile app Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1560 · 14 comments · 1 assignee · Opened Feb 6, 2025
JWT Token Validation Not Rejecting Malformed Requests with CloudAdapter Open

OfficeDev/Microsoft-Teams-Samples#1430 · 8 comments · 1 assignee · Opened Oct 19, 2024
Attachments with special characters lost when uploaded from MS Teams Open

bug

OfficeDev/Microsoft-Teams-Samples#1392 · 9 comments · 2 reactions · 1 assignee · Opened Sep 24, 2024
Conflict sending Teams activity feed notifications - Found multiple applications with the same AAD App ID Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1366 · 2 comments · 1 reaction · 1 assignee · Opened Aug 10, 2024
How to Send Replies in Microsoft Teams Using Bot Name Instead of Username via Graph API? Open

needs-triage :mag:

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OfficeDev/Microsoft-Teams-Samples#1356 · 4 comments · Opened Aug 1, 2024
DotNet bot-conversation-sso-quickstart breaks DI Open

needs-triage :mag:

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

OfficeDev/Microsoft-Teams-Samples#1336 · 3 comments · Opened Jul 22, 2024
Bot SSO Adaptive Card Demo Manifest Open

needs-attention

Difficulty 3/5 1-2 days Newbie friendliness 35/100

OfficeDev/Microsoft-Teams-Samples#1332 · 5 comments · Opened Jul 18, 2024
bot-conversation-sso-quickstart csharp version has build errors Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1326 · 2 comments · 1 assignee · Opened Jul 10, 2024
bot-proactive-messaging-teamsfx does not need an AAD app Open

needs-triage :mag:

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

OfficeDev/Microsoft-Teams-Samples#1311 · 7 comments · Opened Jul 2, 2024
OAuth not properly handling response Open

bug

OfficeDev/Microsoft-Teams-Samples#1309 · 9 comments · 1 assignee · Opened Jun 26, 2024
Authenticating to SharePoint Online Site via React SPA in MS Teams personal Tab Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1308 · 7 comments · 1 assignee · Opened Jun 26, 2024
SSO samples don't work due to 'X-Frame-Options' set to 'deny' Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1306 · 10 comments · 1 assignee · Opened Jun 24, 2024
Bot-receive-channel-messages-withRSC sample cannot be installed into a team Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1301 · 4 comments · 1 assignee · Opened Jun 19, 2024
Reply to a conversation thread in teams using Teams bot Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1294 · 3 comments · 1 assignee · Opened Jun 14, 2024
The "onTeamsMeetingStartEvent" (and end event) activity handler stopped working suddently Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1293 · 2 comments · 1 assignee · Opened Jun 13, 2024
Tab authentication with thirdparty identity provider, calling backend with cookie Open

needs-triage :mag:

Difficulty 5/5 Over a week Newbie friendliness 25/100

OfficeDev/Microsoft-Teams-Samples#1278 · 6 comments · Opened May 27, 2024
Teams not sending "composeExtension/anonymousQueryLink" Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1257 · 2 comments · 1 assignee · Opened May 8, 2024
SSO nodejs sample doesn't appear to append the required "prompt=consent" parameter to the URL anywhere? Open

needs-triage :mag:

OfficeDev/Microsoft-Teams-Samples#1255 · 2 comments · 1 reaction · 1 assignee · Opened May 7, 2024
I do not receive notifications of participants leaving meetings Open

bug platform-issue

OfficeDev/Microsoft-Teams-Samples#1233 · 9 comments · 1 assignee · Opened Apr 12, 2024

OfficeDev/Microsoft-Teams-Samples

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