In Document Viewer, you can zoom in or out to adjust the document to your preferred ratio.
The available zoom range is as follows.
- PC web: Minimum 50% ~ Maximum 200%
- Mobile app: Minimum 100% ~ Maximum 200%
Zoom in/out on a document
Mobile
Tap 
or 
at the bottom right of Document Viewer.
- : Zoom in on a document.
- : Zoom out on a document.
PC Web
- Click the zoom in/out area showing '100%' at the top right of Document Viewer.
- Select the zoom in/out ratio to apply.
Zoom in/out of a document using the mouse wheel
PC Web
- While holding the Ctrl key on your keyboard, scroll the mouse wheel up or down to adjust the document's zoom level.
- Zoom levels are adjusted in 25% increments.