Hello, I’m looking to manually set the resolution of the game without using the in game option, can I do that with the config.wtf file or using the command line argument option?
Thanks.
p.s. just to be clear, when in windowed mode the window size is weird, the ratio cannot be changed as it only resizes both dimensions together, and there are no resolution size options in the graphics settings other than native fullscreen. That is why I’m asking for options outside the normal graphics setting menu.
It is possible to force a non-native resolution scaling onto the game via the config.wtf, but it is very often not exactly advisable. 
You’d want to edit the config.wtf file with an editor like Notepad, and look for a line like this (you can add the line, if its not already present):
SET gxResolution “1920x1080”
If you edit the numeric values the game will attempt to display itself according to the chosen values, but please bear in mind that this may lead to quite some visual distortions or even blackscreens if your display screen cannot work with said values.
If the game ends up looking weird, or the screen indeed goes black, please undo the changes you made.
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Thanks for the reply, no luck though, it doesn’t change the resolution, I tried adding SET gxWindow “1920x1080” and then using that without SET gxResolution but neither have an affect.
The window size it defaults to is about a third too wide for the screen, I can change the window size in eight ways, dragging the window from the sides and from the corners but all them resize width and height at the same time keeping the super widescreen ratio.
A couple of days ago I uninstalled and then reinstalled WoW so it should be a clean, default install without addons to worry about.
update
Ah disregard all that, I had just not seen there was already a gxWindowResolution line in there that I missed, weirdly it was set to SET gxWindowedResolution “3818x1284” which isn’t a native option for my screen nor could I have selected it as the graphics menu has only one choice of 5120x2880 so I don’t know how it got there, but at least I can change the window size and play in windowed mode now even if I can’t play in Fullscreen (windowed) mode it is good enough for now. Thank you so much.