For OAuth2 authentication POPBeamer needs four values: client_id, client_secret, refresh_token and a token exchange URL.

Below you find a description how to get the values.

Goto https://portal.azure.com

select Azure Active Directory

select App Registration

select New Registration

Name: POPBeamer

check: Accounts in any organizational directory and personal Microsoft accounts

check: Client Application (Web, iOS, Android, Desktop+Devices)

select Register

check (if available): Allow direct integration with the Microsoft account service

not-check (if available): Treat application as a public client.

select Authentication

select Add a platform

select Web (single Web app)

Redirect URIs: https://grant.outofindex.com/connect/microsoft/callback

check: Access tokens

check: ID tokens

select Configure

select Overwiew

Application (client) ID: xxxxx-xxxx-xxxx-xxxx-xxxxxxx (this is the client_id)

select Certificates and secrets

select New Client secret

Description: Private Key

check: Never

select Add

Value: xxxxxxxxxx (this is the client_secret)

select Api permissions

select Add permission

select Microsoft Graph

select Delegate permissions

Select: offline_access, Mail.ReadWrite

select Add permissions

Goto https://grant.outofindex.com/

select Provider: Microsoft

check: app

Scope: offline_access Mail.ReadWrite

Key: your client_id

Secret: your client_secret

Redirect_uri: https://grant.outofindex.com/connect/microsoft/callback

select Login

Microsoft dialog asking for permission

Redirected back to https://grant.outofindex.com/microsoft

refresh_token: xxxxxxxxxx (this is the refresh_token)

Exchange URL: https://login.microsoftonline.com/common/oauth2/v2.0/token

Goto https://console.developers.google.com/dcredirect/

select Create Project

Project Name: POPBeamer

select Create

select Click "Google API" in the upper left corner

select Select "POPBeamer"

select OAuth Consent screen

select Create

check: External

Application Name: POPBeamer

select Save

select Credentials

select Create Credentials

select OAuth client ID

Application type: Web application

Name: POPBeamer

Authorized redirect URIs: https://developers.google.com/oauthplayground

select Create

Popup of dialog "OAuth client created"

Your Client ID: xxxx-xxxxxxxxxx.apps.googleusercontent.com (this is the client_id)

Your Client Secret: xxxxxxxxxx (this is the client_secret)

select OK

Goto https://developers.google.com/oauthplayground

select gear button on the upper right corner

Access type: offline

Check: Use your own OAuth credentials

OAuth Client ID: your client_id

OAuth Client secret: your client_secret

select Close

select Step 1: Select & authorize APIs

Input your own scope: https://mail.google.com

select Authorize APIs

Google dialog asking for permission

select Exchange authorization code for tokens

refresh_token: xxxxxxxxxx (this is the refresh_token)

Exchange URL: https://oauth2.googleapis.com/token