As PhysicsOverflow is not part of the Stack Exchange network, it is not possible to diractly link accounts here to accounts on SE sites. However members who would like some, a whole bunch, or all of their for PhysicsOverflow on topic SE posts (questions and answers) to be imported, can request this on the Import votes thread, which is accessible from a link in the top menu bar.
Users who have problems with regaining their SE or TP.SE accounts and/or are worried about giving their password away, are adviced to report this to
We will then reset the already existing account for you and send you the new login data (user name, email, and a newly created password) per mail. The password (and email) can afterwards be changed under "My Account" at the top of the page.