How frequently does IMPORTRANGE refresh?
问题 How frequently does the importrange function refresh and reload the source data? 回答1: When closed Never.Spreadsheets update external api only onOpen(). But there is no documentation and this may change in the future. When open, 30 minutes Functions that pull data from outside the spreadsheet recalculate at the following times: ImportRange: 30 minutes ImportHtml, ImportFeed, ImportData, ImportXml: 1 hour GoogleFinance: may be delayed up to 20 minutes Opening the spreadsheet refreshes all the