- Use a built-in “pen,” the Apple Pencil, or even your finger (for touch screen-enabled devices) to write or draw in free hand.
- Choose from a range of colors.
- Erase your annotation.
- Add comments to your annotation to provide clarity and context.
- Automatically notify one or more collaborators via Box’s “@ mention” feature.
- As with all Box annotations, you can only share your annotations with people who are collaborated on the file.
- Box annotations essentially are an overlay in Box Preview – that is, they are not added to the actual file contents. If you open the file in its native application, your annotations do not display.
-
Open the file you want in Box Preview.
- The annotation toolbar displays at the bottom of the screen.

-
Click the drawing icon; it looks like a scribble (
). The full annotations toolbar displays.

-
Do one of the following:
- For a marker effect, click or tap the marker (
). - For more precision, or to write, click or tap the fine point pen (
).
- For a marker effect, click or tap the marker (
-
(Optional) The default drawing color is red. To change it, click or tap the color circle (
). When the color palette displays, click or tap the color you want.
-
When you select your tool, you can draw your annotation in several ways, depending on your device:
- Mouse or trackpad
- Apple Pencil
- Your finger
-
When you stop drawing (for example, by lifting your finger), the Comment toolbar displays. Here you can explain and add context to your annotation.

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To save your annotation, click or tap Post.
Note: On iPhone, if the comment field is empty, Box does not save the annotation. To save the annotation, type at least one character and click or tap Post.
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Click or tap into the blank line. As before, the tool you use to enter your comment may change, depending on your device and your preference:
- Type using a real or virtual keyboard
- Write freehand with your Apple Pencil; Apple Scribble recognizes your handwriting and converts it into text. Instructions for using Apple Pencil.
-
When you’re done, click or tap Save. From here you can:
- View your comment as it will display in the File Activity sidebar on the right. To do this, click View Comment.
- Delete your comment. To do this, click Delete.
- Begin another annotation.
) to wherever you like.
Modifying your drawing
You can change your mind, or alter your drawing, in the midst of an annotation session. To do this, click or tap the eraser (- A segment extends continuously from the time you begin drawing to the time you raise your finger or pencil. For example, you draw a single unbroken line in one segment. A dotted requires multiple segments.