To save a dotplot as image right-click on the dotplot and select the Dotplot ‣ Save/Load ‣ Save as image context menu item:

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     <img src="/wiki/download/attachments/4227430/Saving Dotplot as Image.png"/>
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Available formats are *.png, *.jpg, *.bmp, *.jpeg, *.ppm, *.tif, *.tiff, *.xbm and *.xpm.