SumatraPDF makes it easy for you to open current document in a different program.
For example, if you also have Adobe Reader installed, you can use
File menu to easily open PDF document you're viewing in Adobe Reader. We auto-detect a bunch of popular apps (Adobe, FoxIt, PDF X-Change etc.).
You can also add custom readers using advanced settings.
To configure an external reader:
Settings / Advanced Settings...menu to open configuration file
Here are the relevant settings:
ExternalViewers [ [ CommandLine = Name = Filter = ] ]
An example could be:
ExternalViewers [ [ CommandLine = "C:\\Program Files\\FoxitReader\\FoxitReader.exe" /A page=%p "%1" Name = Foxit &Basic 3D view or Review Text Filter = *.pdf ] ]
CommandLine is a full path of executable that opens a given type of the file.
"%1" will be substituted with a full path of the current document.
You can also use
%p current page number. Not all viewers support page number.
Name will be displayed in
Filter restricts which files can be opened by the reader. For example: