Data exported from the instance as extension "xlsx" does not allow its contents to be searched using Email Clients - Known Error

Data exported from the instance as extension "xlsx" does not allow its contents to be searched using Email Clients Description When running a Scheduled Reports to export data as file extension as "xlsx", the contents of the report are NOT searchable from the Email Client (Outlook, Gmail, etc).

Steps to Reproduce

Create a Scheduled Report to send via email, with a file extension as 'xlsx' as an attachment. 2. When you receive the email, attempt to search for some content that should appear within the report. 3. Note that no search results appear. Workaround Export the data is extension "XLS".

This is expected behavior and by design in all currently supported releases.