Hi Fadhl, Yes, we use `sceasy` to convert Seurat or SingleCellExperiment object to h5ad. You could also try it yourself if you like. Could you please provide a brief description (donor, tissue, etc) of the dataset you are considering submitting? Best, Ni ________________________________ From: Alakwaa, Fadhl &lt;alakwaaf(a)med.umich.edu&gt; Sent: Thursday, December 17, 2020 2:57:23 PM To: cv19caingest(a)sanger.ac.uk Subject: [Cv19caingest] files format to upload our data [EXT] Hello, How can I submit our rds files, shall you convert it in h5ad format? Regards Fadhl Alakwaa, PhD Michigan Medicine University of Michigan https://github.com/FADHLyemen/experience_summary [github.com]<https://urldefense.proofpoint.com/v2/url?u=https-3A__github.… https://www.linkedin.com/in/fadhl-alakwaa/ [linkedin.com]<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.l… ********************************************************** Electronic Mail is not secure, may not be read every day, and should not be used for urgent or sensitive issues