Excel File is Rendered Slowly Using View File Macro
A Microsoft Excel file is rendered slowly in the View File Macro when there are a lot of rows and columns in the file.
Rendering the content of an Excel file can take some time, even if the rows and columns only contain white spaces. See related improvement request.
Delete any white spaces or unnecessary content in the Excel file.
Alternatively, limit the output to rows and columns of interest. This can be done using extra parameters to the viewfile macro. For example, the following code will show the first 3 rows and the first 3 columns:
If you are unable to access the page where the macro is defined, please contact your Confluence Administrator and request them to disable the Office Connector plugin. This will allow you to access the page and remove the macro that causes the problem.