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You can preview a file in the user portal without opening it for editing. 

If you do not see the Preview button when you hover over a file, contact your administrator.

If you are an administrator, enable Document Preview.

To preview a file:

  1. Hover over a file in the User Portal.
    A row of icons appears.
    The Preview icon is the first icon, which looks like an eye. 

  2. Click the Preview icon.
    A  window that shows the content of the file opens.

    The preview content cannot be edited.

Preview is available for audio, video, image, pdf, txt , md and Office file types, as well as the file types indicated in the table below.

ExtensionRegistered ToAvailable in FileCloud Server VersionDescription

.AIAdobe18.2An Adobe Illustrator format is a proprietary file format developed by Adobe Systems for representing single-page vector-based drawings in either the EPS or PDF formats.

.DICOMDICOM18.2Medical files such as X-rays, CT scans, Ultrasounds and MRIs.


(info) Java 10 and above is required for PSD viewing.

A .PSD file is a layered image file used in Adobe PhotoShop. PSD, which stands for Photoshop Document, is the default format that Photoshop uses for saving data. PSD is a proprietary file that allows the user to work with the images’ individual layers even after the file has been saved.

For file types that cannot be previewed, such as exe, FileCloud displays a download option in the preview window.

For everything besides DICOM files, FileCloud Server uses LibreOffice to perform the document conversion that enables you to preview a file.

You can store, view and share medical files such as X-rays, CT scans, Ultrasounds and MRIs securely in FileCloud Server.

  • You can upload a medical file with a file extension of .DICOM.
  • In the dashboard, you can select a file with the .DICOM extension, and then click the Preview button.
  • In Preview mode, the medical file is rendered as an image with special viewing options that are exclusive to viewing .DICOM files.

When you open the preview, you have the following options:



hold down the left mouse button

moves the image around in the preview window

Zoom In

scroll the mouse wheel forward



hold down the right mouse button and drag forward

enlarges the image in the preview window

Zoom Out

scroll the mouse wheel backwards



hold down the right mouse button and drag backwards

reduces the image in the preview window

Lighten the Image


hold down the mouse wheel and drag forward

increases the contrast to lighten the image

Darken the Image

hold down the mouse wheel and drag backwards

decreases the contrast to darken the image

These options are only available for .DICOM image types.

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