LibreOffice replacing the commercial office suite.

how to open and save documents in LibreOffice, how to access files on Nextcloud,

Also recommend them to follow the office suites nagging and save future documents in Open Document Format. Because OOXML (.docx & co.) is the villain here in compatibility and formatting issues.

Most logistics companies in my country run on browser so if it is the same in Italy it shouldn't be too hard to switch

I intern at a security company and half of our office (including me) runs some kind of a Linux distribution. I got Ubuntu on the company-assigned computer.

At work we have been slowly pushing into Linux instead of traditional IIS/windows servers. Its SO much easier to deploy images/docker containers. Licensing is sane. The costs are slowly going down.