Is there a way to Merge two stack overflow user accounts
1263
How can one link / merge / combine / associate two accounts / users? (Anonymous / unregistered / cookie, or Google / Facebook / registered)
83503
How to add existing user to an existing group?
115277
Why does Stack Overflow have a different upper interface?
66602
Detailed instructions for replacing KingoRoot's Superuser with SuperSU
57385
When adding another Google login, user should get routed to Google Multi-Login screen
461
Can we let users with privileges on one site have them on another?
32925
What steps to add a user to a system without using useradd/adduser?
135257
shared user accounts across workstations
94746
Switch from OpenID to a Stack Exchange login
64196
Change user associated with Google Drive account (OSX) when old account does not exist
43025
Add new user and add meta at once
69636
New login & signup pathway for the Stack Exchange network
10463
How to invite friends to Stack Overflow, Server Fault and Super User?
31688
Is it time to split Stack Overflow?
35623
Created a new user at Stack Exchange, but did not get the right username
45300
How to prevent duplicate usernames when people register?
6163
Can I specify multiple users for myself in .gitconfig?