I want to know if there's a way to change the size of newform.aspx, by default it looks narrow, but my design states that I need more space to display my form without having to scroll right or left, is there a way to do that?


Yes you can. At least in SharePoint 2013 on-prem

First create a new custom form. Go to the list where you want the new form and edit the form in SharePoint Designer.

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Then create a new form (1), give it a name (2), select which kind of form (3), option to set it als default (4) and click ok (5).

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Then open the newly created form in advanced mode (right click on the new form):

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In my environment it is line 24 where you can edit / change the width of the form.

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Hope it helped. Also posted the guide in my blog.

  • That's amazing, but the measurement here is in points or pixels? I tried making it: 800px, but that ruined the whole form, so I just made it 800, but is it 800 px , pt, em? Sep 29 '15 at 7:03
  • I tested it with "400px" and at least it worked. As I know it should be in px, but not 100% sure. Also updated the answer a little bit to give everybody a kind of step-by-step guide.
    – Patrick
    Sep 29 '15 at 7:07
  • I read this post as I'm researching using signature pads and needed to try and increase the size of my signature field. Anyway, I thought I'd mention that you could also use the zoom in and out on the browser - maybe that might help someone too (depending on what you want to achieve). Incidentally, this did not help with the signature field I'm working on.
    – Tally
    May 15 '18 at 10:38

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