In case you are not awre the options are
Base.Serialization, BSON.jl, JLSO.jl, JLD.jl and JLD2.jl
For dataframes-like you have Feather.jl Parquet.jl, JDF.jl, HDF5.jl
In case you are not awre the options are
Base.Serialization, BSON.jl, JLSO.jl, JLD.jl and JLD2.jl
For dataframes-like you have Feather.jl Parquet.jl, JDF.jl, HDF5.jl