On the one hand, it makes a good impression when the application documents are neatly bound. Special folders and clip files are available on the market for this purpose. On the other hand, manageability is appreciated, as HR staff often need to copy or scan the papers, and here a plastic sleeve would suffice. It is therefore up to you to decide whether to make an impression or do the HR manager a favor. In any case, ensure that the plastic sleeve or folder is brand new. Returned folders are therefore usually no longer suitable for use. Loose-leaf folders for holed paper are not recommended. The cover letter is placed separately on top of the folder.
E-mail applications have two advantages: They are inexpensive and they are fast. However, take just as much care as with classic written applications and avoid technical traps.
Certain companies or job platforms provide online forms for potential applicants to fill out.