Annotate / Edit Documents (Desktop)

With the ability to read and annotate documents together in our virtual rooms, you can co-create solutions in real time and ClassDo will automatically save all the latest versions permanently.

If you are annotating/ editing documents, you should know how to control your view of them as well.

In this article:


Choose the Document to Edit

Choose and click the icon of the document you want to edit. The contents of the file will be displayed.

When the file is a single-page document, the tools bar will automatically be displayed on the left after clicking on it.

When the file is a multi-page document, the file will be displayed in pages.


Choose the Page to Edit (in a Multiple-Page Document)

If you are editing a single page document, you can skip this step.

Choose the page you want to edit, then click on the edit button.

To choose between pages, you can either  swipe left and right between pages or click on the left or right arrow buttons. The edit button will move to the respective pages.

Clicking the edit button will open up a window for editing the page. When you finish editing on this page, simply click the Exit Button on the upper right to close this window.


Use the Editing Tools

Move Things Around

Click Move / Delete, then click and drag the drawing or image to move it. You can also select an entire area of drawings / images / writing to be moved at the same time.

Delete Things

Click Move / Delete, then select the image / drawing that you want to delete and click the Dustbin button. You can also select an entire area of drawings / images / writing to be deleted at the same time.

Copy Parts of the Document

Click Move / Delete, then select the area of the document you wish to copy and click the camera icon. You can then paste an image of what you have selected.

Download Parts of the Document as Image File

Click Move / Delete, then select the area of the document you wish to download and click the download icon

Add Text

Click Text, then select text size and colour. Click on the place where you want to add text and type out your text in the textbox produced. After you have finished typing, you can edit the text by clicking Move / Delete, then double-clicking on the text you wish to edit.

Add an Image

Click  Image and choose the image you wish to upload from your device. The uploaded image will be displayed on the document. Note that only images saved in the local device can be uploaded and inserted. You can also copy and paste images directly onto the sketch.

Cancel a Previously Made Action

To cancel an action you just made, click Undo. To restore an action that you have undone, click Redo. You can undo and redo multiple actions.

Write and Draw

Click Pen, then choose the line colour and line thickness.


Click Highlighter, then choose the colour and line thickness.

Insert a Line, Rectangle or Circle

Click Line, Rectangle or Circle depending on what you wish to draw, then choose the line colour and thickness. Then, click and drag on the document to draw the line or shape. Note that the line and shape dimensions can still be edited using the Move / Delete tool after they have been drawn.

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