The phrase "a more conventional form" is correct and usable in written English.
You can use it when discussing or comparing different styles, methods, or formats, particularly in contexts where traditional or widely accepted practices are being referenced.
Example: "In this paper, we will explore the benefits of using a more conventional form of communication in professional settings."
Alternatives: "a more traditional format" or "a more standard version".
Mr. Glass's eclecticism takes a more conventional form as well.
In the 1970s, after some volatile leadership struggles, the museum started to take a more conventional form.
That avenue will remain in place, as will the common application, a more conventional form used by over 400 colleges.
But a new feature, cheekily called "The Feature," opens his world to a new audience, his aesthetic to a more conventional form and his achievement to the wider recognition it deserves.
For reasons known to us, the original speaker was unable to submit the manuscript in a more conventional form.
Later, a more conventional form of administration was introduced.
Mr. Kurosawa's second-unit work contains a lot of striking shots that are forerunners of material to be contained in his own later, greater films, including "Throne of Blood". Here his fascination with horses, which can still be seen in his current "Ran," is cast in a somewhat more conventional form, though the composition and imagery are often as fine as anything he was to do afterward.
In its actual, albeit more conventional, form, "Dialogues sur le cinéma" is nonetheless a trove of reflections of a cinematic past and future and a distillation of the essence of cinematic creation in the first person and the present tense of those reflections.
Charles Ferguson, working in more conventional form in "Inside Job," gathered together the essential facts of the economic breakdown and financial malfeasance into brisk units spiced with devastating interviews.
It manages to slip in some extremely clear explanations of supply and demand, game theory, marginal costs and the like, which might well seem fuzzy when presented in more conventional form.
However, while most interviewees expressed a preference for more conventional forms of evidence, the benefits of evaluation studies over a priori modelling were not always considered so clear-cut.
