You can open the Export Dialog by choosing the menu command File->Export.
With this dialog you can save a facsimile file as TIFF file.
With Export to File you can specify the file name of the file to create. You can use the Browse Button to select a directory and a file.
From Page and To Page determine the range of pages to be exported within the facsimile document.
With Compression you can specify a compression method for the TIFF file.