The default view orientations are Top, Front, Bottom, Left, Right and back view. It is possible to create a user-defined view orientation, in SolidWorks.
Rotate the file to the desired view.
Click the downward triangle near view orientation to expand. Select more options or press space bar.

Select New View Option to add the desired view to the orientation list.

Give a name of your choice to the New View and Click OK.

Save the view by clicking the save button next to the named view.

Now, the created new view will be assigned to the file and will always appear in the list of view orientation.

To delete the created view, click Delete view from SolidWorks option.
