Office Excel does not display the correct results of functions in Excel files

Steps to Reproduce:

1. Create a page In Confluence
2. attach the sample excel file (provided in this ticket) to the page
3. Use Office Excel to display the excel file on your page.
4. Save the page

Expected Results:

Actual Results:

Note that Total is zero.

Findings:

the formula:

 =COUNTIF(A1:A5:B1:B5,"test")

Does not return the correct result here.

• This works fine in Confluence 3.5.11.