on emacs 27.1 on a Mac, this seems to take under a second to open for me. John ----------------------------------- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu On Tue, Sep 22, 2020 at 8:36 AM Peter Bienstman wrote: > Opening this file takes more than 10 seconds: > > > https://www.dropbox.com/s/tg7pr6tetlh7jwb/toc%2020200922%2007.00.01.org?dl=0 > > I also attach the profile. > > I have org files which are much bigger, and they open almost instantly. > > This is on Windows 10, emacs 26.3, all packages updated to the latest > version. > > Is there anything I can do to speed this up? > > Thanks! >