Go to your User settingsDrag the blue point to the right of the bar to increase the size of the magnifying glass, drag it to the left to decrease itSave.Related ArticlesHow to change the size of the magnifying glass for previewing PDFsHow to change the size of the magnifying glass for previewing PDFsHow to change the size of the magnifying glass for previewing PDFsHow to change the size of the magnifying glass for previewing PDFsHow to change the size of the magnifying glass for previewing PDFs