You can create the file in Word or PowerPoint as a starting point.
However, you must save and send the file as a PDF.
It is important to create it in the correct size. So, if your print needs to be, for example, 10x5 cm, the file must be created in 10x5 cm.
This is done in document size, which is A4 by default, but it can be changed to other sizes.
Also, remember to set the size when you save the file as a PDF afterward, especially if you're using an external PDF generator.
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