I am trying to switch the font of a report from Times New Roman to IBM Plex Sans, with no success. Here is my failed attempt: --- output: pdf_document mainfont: "IBM Plex Sans" geometry: margin = 3cm --- <style type="text/css"> body{ font-family: "IBM Plex Sans"; font-size: 16pt; } </style> …

Thank you for clarifying. I have followed some instructions to remove all of TexLive and finally could reinstall TinyTeX using the tinytex :package: . Thank you also @cderv for the clarification!

Using font IBM Plex Sans in RMarkdown

Publishing Your Results

technocrat November 20, 2022, 4:46am 10

Try

tinytex:::reinstall_tinytex()

as discussed in this thread