You can save your data as either as csv or table format using R. You can load it whenever you want by using read 'command'. The following are some examples.

https://stat.ethz.ch/R-manual/R-devel/library/base/html/write.html

http://rprogramming.net/write-csv-in-r/

http://stat.ethz.ch/R-manual/R-devel/library/utils/html/write.table.html

https://stat.ethz.ch/R-manual/R-devel/library/utils/html/read.table.html

https://cran.r-project.org/doc/manuals/r-release/R-data.html

Yes you can do it and the links Pranavathiyani G  has given contains all informations for you.

You can also save them in binary format using save() command and load them with load() command.

Dear Pascal Pernot, 

This is what I am looking for.

Dear Pranavathiyani G, 

thanks for your explanation. 

Many thanks.