Canon EOS 90D, Instruction Manual, Page: 722 / 888

510
The Auto Rotation of Vertical Images
You can change the auto rotation setting that
straightens images shot in vertical orientation when
they are displayed.
1
Select [
5
: Auto rotate].
2
Select an item.

On
z D
Automatically rotates images for display on both the camera and
computers.
 On
D
Automatically rotates images only for display on computers.
 Off
o
Images captured with auto rotation set to
[Off ]
will not rotate during playback
even if you later set auto rotation to
[On]
.
o
If a picture is taken while the camera is pointing up or down, automatic rotation
to the proper orientation for viewing may not be performed correctly.
o
If images are not rotated automatically on a computer, try using EOS software.