I am running RStudio 1.4.1056 along with R 4.03 on Big Sur 11.0.1... Everything R and RStudio seems fine. However, if I click on a .docx or .pdf file in the file pane, it will no longer open. I presume this is not an IDE issue, per se, but rather a permissions issue... I cannot find any suggestion that others are having similar problems, so it must just be me, but for something that ought to be simple, I can not figure it out. I do find that it will open .Rmd or .R or .tex files, just not those calling outside apps. Any help is greatly appreciated.