How can I import .xlsb files? Robert Orzanna (Sheetgo) September 07, 2017 06:44 Updated Follow We don't support .xlsb files yet. Please see Supported File Types. This article is outdated or doesn't solve your issue? Send an email to email@example.com with a mention of this article and get bonus updates for your help! Related articles Which file types are supported? How do I select the source or destination spreadsheet? I want to cancel my account. How do I receive a refund? How do I transfer my Excel files over to Google Sheets? Comments 0 comments Please sign in to leave a comment.