Convert ensembl ids to gene names

This is a frequently asked question on biostars. I will include one example of a prior thread but you should be able to find many others by a search.

ENSEMBL Gene ID to Gene Symbol

If you did the analysis yourself and have the Ensembl GTF file available, you can use agat toolkit and the extract attributes tool to get them all: https://agat.readthedocs.io/en/latest/tools/agat_sp_extract_attributes.html