share app with external user in teams

[M365061290]

i build an app for external user and now I want to share it on teams. but it is not working on desktop app, it works on mobile
desktop app

[#2]

Hi @M365061290, Could you explain how you added your app to teams. If your adding app using Manifest, please provide manifest and repro steps. So, that I can repro on my end.

[#3]

Its just a link to a sharepoint page as personal app for guest users. It shows up for normal users.
{
"$schema": "https://developer.microsoft.com/en-us/json-schemas/teams/v1.9/MicrosoftTeams.schema.json",
"manifestVersion": "1.9",
"version": "1.0.0",
"id": "66b3620b-cc00-4838-9e19-b4c419bf6020",
"packageName": "com.test",
"developer": {
"name": "test",
"websiteUrl": "https://www.test.com",
"privacyUrl": "https://admin.teams.microsoft.com/policies/manage-apps",
"termsOfUseUrl": "https://admin.teams.microsoft.com/policies/manage-apps"
},
"icons": {
"color": "color.png",
"outline": "outline.png"
},
"name": {
"short": "testing1",
"full": "testing1"
},
"description": {
"short": "test",
"full": "test"
},
"accentColor": "#FFFFFF",
"staticTabs": [
{
"entityId": "1239009",
"name": "Tab1",
"contentUrl": "https://qashare.sharepoint.com/_layouts/15/teamslogon.aspx?SPFX=true&dest=https://qa.sharepoint.com/...",
"websiteUrl": "https://qashare.sharepoint.com",
"scopes": [
"personal"
]
},
{
"entityId": "about",
"scopes": [
"personal"
]
}
],
"permissions": [
"identity",
"messageTeamMembers"
],
"validDomains": [
"qashare.sharepoint.com"
]
}

[#4]

@damyou06, Please follow this documentation and make changes to Teams and SharePoint for guest user access.

[#5]

@harshdamaniahd, Please let us know if the issue still persists.