Previewing a document You can preview documents in Correspondence Reviewer. The most suitable viewer is automatically selected based on the content type of the document. If no suitable viewer is available, an error message is displayed. To preview a document 1 In the Documents list, select the document you want to preview. 2 In the Details field, click the Preview tab. The document is previewed on the Preview tab. 3 To resize the document to fit the width of the web browser, click Full screen. 4 Click to return to the original view.