These How-to articles describe in more detail how to do various things with OpenIFS.

Shorter answers to topics can also be found in the Frequently Asked Questions.
Longer answers to topics can be found in the various manuals and online help/tutorials listed on the OpenIFS Documentation page.

If there are other HowTos you would like here, please send suggestions to openifs-support@ecmwf.int or start a new topic in the User Forums.