Thanks Caitlin and Richard MH. Works great. Stephen From: Caitlin [mailto:bioprogrammer at gmail.com] Sent: Friday, November 10, 2017 12:33 PM To: Bond, Stephen Subject: Re: [R] update R version in windows install.packages("installr") updateR() rather... On Friday, November 10, 2017, Bond, Stephen <Stephen.Bond at cibc.com<mailto:Stephen.Bond at cibc.com>> wrote: Is there a utility which will allow me to upgrade my R version and update all packages from the old version? If I manually upgrade, then I have to manually re-install 50 packages. Thank you. Stephen B [[alternative HTML version deleted]] ______________________________________________ R-help at r-project.org<javascript:;> mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. [[alternative HTML version deleted]]