Editing Prepare files for A3 single-side print (section)

==Dimensions==
Are the dimensions of your file the same as the your paper size?
Check if the dimensions of your file match the size of your paper. For A4 that should be 420 x 297mm. 
===How to check file dimensions in Photoshop===
*Go to Image>>Image Size and see if the width and height are correct.
[[File: a3phsize1.png|381x381px]]
[[File: a3phsize2.png|400px]]
===How to check file dimensions in Illustrator===
*Click on the Artboard tool, Click on the Artboard and see the dimensions in the Properties window
[[ File:Screenshot_2023-09-07_at_14.15.58.png|555x555px]]
[[ File:a3illlsize2.png|652x652px]]

===How to check file dimensions in Indesign=== 
*Go to File>>Document Set up and see if the width and height are correct.
[[File: a3sizein1.png|713x713px]]
[[File: a3sizein2.png|400px]]