Design Web Format (DWF) represents 2D/3D drawing in compressed format for viewing, reviewing, or printing design files. It contains graphics and text as part of design data and reduces the size of the file due to its compressed format. The reduced file size makes the distribution and communication of rich design data efficient. DWF doesn't require the recipient to know about the usage of CAD software that created the original drawing.
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Files with ODP extension represents the presentation file format used by OpenOffice.org in the OASIS OpenDocument standard. A presentation file is a collection of slides where each slide can comprise text, images, formatting, animations, and other media. These slides are presented to an audience in the form of slideshows with custom presentation settings.
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You can also convert DWF into many other file formats. Please see the complete list below.