There are multiple tools available to transfer files to and from the cluster that you are working on. Here, you can find instructions for Linux, Windows and MacOS.
On all platforms, you can make use of scp, sftp or rsync either through the command line or a third-party tool which provides a graphical user interface.
In addition, you can make use of git to work with git repositories.
You can also use rclone on to connect to various cloud storage services, such as SurfDrive, ResearchDrive, OneDrive, Dropbox, etc.
You can find some best practices in the section: https://pubappslu.atlassian.net/wiki/spaces/HPCWIKI/pages/37749471/Best+Practices#Best-Practices---Data-Transfer
Below you can find specific examples and instructions: