SpreadJS export blocking the UI

SpreadJS export blocking the UI

Posted by: peter on 24 October 2025, 6:44 pm EST

• 

  peter

  • Post Options:
  • Link
    Copy

  Posted 24 October 2025, 6:44 pm EST

  We noticed Workbook.export is blocking the UI when exporting to XLSX. Is there a way to call export in a non-blocking async manner?

• 

  peter

  • Post Options:
  • Link
    Copy

  Posted 24 October 2025, 6:55 pm EST

  We are also interested in speeding up the export. We have an excel file with thousands of cells (approximately 300x50) and it takes 4 seconds to export.

• 

  chirag.gupta

  

  • Post Options:
  • Link
    Copy

  Posted 27 October 2025, 2:54 am EST

  Hi Peter,

  We’ve already responded to your query on your private support case. To help us manage the communication more efficiently and provide the best possible assistance, we recommend you continue the discussion through the private portal.

  Kind Regards,
  
  Chirag Gupta