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So, if you spend all of your time opening zipped files, you may prefer this widget over a more complex compression option. Save all of the smaller file pieces of the compressed image in the same folder.Free RAR Extractor is fine at unpacking compressed files, but it doesn't do anything to help you compress new batches of files.

For example, if you split a 4.2GB-sized DVD file into smaller pieces suitable for burning to CDs, the file compression program creates six files - the first file is “filename1,” the second “filename2” and so on. When creating the smaller files, the compression utility uses the same name you entered in the Name or Save As field, but appends each filename with a number that represents the position of the file in the file set. The file compression program splits the ISO file into smaller pieces based on the media type or file size you selected in the configuration windows. Click the “Archive,” “Compress” or “OK” button to start the compression process. For instance, if you are splitting a large DVD image into files you can burn to a CD, choose the “CD” or “700MB” option.Įnter a name for the compressed ISO image in the File Name, Name or Save As field. In the list of media types or file sizes, choose the option that best matches the media to which you want to save individual pieces of the ISO image. If you enable the password option, enter the password users will need to open the ISO image file in the Password field, then type it again in the Confirm Password field.Ĭlick the drop-down list arrow next to the “Split Archive,” “Span Volumes” or “Split to Volumes” label. Click and enable the “Create EXE” or “Create SFX Archive” option in the configuration window.Įnable the “Encrypt Archive” or “Password Protect Archive” option if you want to require a password before decompressing or merging the ISO image after you split it into smaller pieces. In most cases, though, using the standard compression level works best for multiple part ISO images. A new “Add to Archive” or “Archive” window appears where you can configure the compression settings for the ISO image file.Ĭlick the “Normal Compression” or “Standard Compression” option unless you need to shrink the size of the ISO image file dramatically.

With the file name of the ISO image highlighted, click the “Add” or "Open” button.

When the file browser window opens, navigate to the folder on your computer that contains the ISO image you want to split into smaller pieces. After the program window appears, click the “Add” or “Add New Archive” link or icon on the toolbar. Launch the file compression program on your computer. Restart the computer if prompted to do so. Double-click the setup file and follow the prompts to install the compression application. Click “Start,” then open Windows Explorer by clicking “Computer.” Browse to the folder where you saved the compression utility setup file.