The option to turn a party into a raid group does not show up for me.
https://ibb.co/K67k1PT
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The option to turn a party into a raid group does not show up for me.
https://ibb.co/K67k1PT
I am on Icecrown server - 3.3.5a.
Tried on both, mine & my wife's accounts and 2 laptops.
Workaround
Type in the in-game chat window after forming a party:
/run ConvertToRaid()
Got the idea from https://www.youtube.com/watch?v=rTuUpT3Tz6U
Because that's not where the "Convert to raid" option is or has ever been.
Open the Social panel (default hotkey: O), then open the Raid tab, then press the "Convert to raid" button.