In order to format a DVD disc, there are some requirements that should be met as the following. However, formatting a DVD disc can only be done under the specific conditions. Formatting DVD disc can release all the disc capacity for you so that you can store more digital data on it. In a simple way, formatting a DVD disc is to erase all the original data on the disc so that new data can be written on this formatted DVD disc. Just as the term mentioned above, what is DVD formatting? Maybe for most people, erasing a DVD disc is much more familiar and easier to understand than DVD formatting. Part 4: Best DVD Rewriting Software - Leawo DVD Creator.Part 2: 3 Best Free DVD Formatting Software.