Looking for logging into the Combine Data From Social site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Combine Data From Social site. After that you can login as usual with your login credentials.
https://www.sitepoint.com/social-network-authentication-merging-accounts/
https://www.vertabelo.com/blog/technical-articles/how-to-store-authentication-data-in-a-database-part-5-merging-multiple-user-accounts
https://stackoverflow.com/questions/20449805/how-to-merge-same-user-data-from-multiple-social-logins
https://github.com/pennersr/django-allauth/issues/1264
https://powerdigitalmarketing.com/blog/how-to-merge-social-media-accounts/
https://www.quora.com/How-can-I-create-a-single-sign-in-merging-two-platforms-with-one-login-and-allowing-them-to-communicate-all-on-one-domain-name-How-do-I-go-about-doing-this
https://www.quora.com/What-are-the-best-practices-for-merging-duplicate-user-accounts-for-a-website-which-allows-Facebook-Twitter-OpenID-and-other-logins
https://forums.aws.amazon.com/thread.jspa?threadID=261470
https://conversionxl.com/blog/social-login/
https://stormpath.com/blog/the-social-integration
https://firebase.google.com/docs/auth/web/account-linking
https://developers.facebook.com/docs/facebook-login/multiple-providers/
https://support.gamesparks.net/support/discussions/topics/1000079735