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IGB allows you to save individual graph tracks for later use or sharing. This is especially important for graph tracks made in IGB, either through manipulation of your graphs or after using one of IGB's create graph functions. Select the graph track, then in the Graph Adjuster tab, click the Save Selected... button. You will be offered to save the file in .bgr, .sgr wig or .gr egr format. Details about these formats is found in File Formats.