A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
1
Is this problem only affecting Excel files you download, are you able to open Excel files created and stored locally on your PC?
Please provide a screenshot of the error you see when you try to open one of the downloaded Excel files.
2
Right click one of the files you downloaded and select Properties.
Is there a check-box at the bottom of the properties dialog to un-block the file?