Last day I downloaded Windows 7 operating system form Microsoft using direct links. It contained a set of file formats like .box and all that are to be extracted to a set of setup files counting to around 2.5GB. Since there are lot of files it’s very difficult to transfer them though internet, or to create bootable DVD. One option is to pack all those files to single archive format like ISO. The advantage of .ISO is that it’s supported by almost all CD and DVD writing software, and we can make it a single bootable disc. We earlier covered freeware and shareware CD and DVD writing software for Windows. But most of them are not able to create .ISO images from a set of files. Then we came across a Windows utility called UltraISO that can convert, extract, create edit or update iso and other file formats.

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