This happens rarely and can be solved by clearing cached content from the Internet Explorer browser.

Please follow the steps below:

Step 1: Close CloudExtend Excel Data Management for NetSuite.

Step 2: Open Internet Explorer on your PC

Step 3: Clear browsing history and temporary internet files by following the instructions given here.

💡 NOTE: Microsoft Add-Ins rely on Internet Explorer, not your default browser, for certain functions.  It is important that you clear cache on Internet Explorer, not your default browser.