What file types does Flatfile Support? Arseniy Barmin September 07, 2021 17:29 Updated Currently, Flatfile supports .csv, .tsv, .xls, .xlsx, .xml, and .txt file types. Related articles Change width of the grid fields in Portal 2.0 If a record already exists in a database, and the data owner is uploading a row with updated information on that record, will that existing record be updated? Use GraphQL Mutation Hooks to synchronize data from Flatfile Workspaces to your application's existing GraphQL API Use the Flatfile GraphQL API to create Data Templates How can I create API Keys? Comments 0 comments Please sign in to leave a comment.