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Select the file from a Web link or from your computer desktop, and just drag-and-drop the file into anywhere within the IGB window. You You can also access files using File > Open File... or File > Open URL... If you are dragging/opening a file from a private server, you may need to log in to access the data. If so, IGB will open a window for you to enter a user name and password. If you have a sequence file (fasta, 2bit, bnib, etc.) that you would like to use as a reference sequence, use the File > Open Reference Sequence... option.
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