This does not appear to be an Excel question. You can copy and paste to Notepad and get the same presentation. It looks like CMS is storing the data in both formats, hh:mm:ss as well as in seconds (out to several decimal places).
If you want the data in Excel, export to a .txt file, select field separator as tab, try text delimiter none, and check all three options (null values, labels and seconds). In Excel, use file open, text files and select the file you exported from CMS. You can declare each fields type as text or general or just let it rip for starters. The data will be imported into Excel and time will show time in seconds.
If you want to depict time as hh:mm:ss, you can export that way; or you can use a calculation. Divide the value in seconds, say 194.464263916/24/2600 (number of seconds/total seconds in a day) to depict as 0:03:14. Please note you will need to format the cell with that value as 'Time' and select 'Type' "37:50:55", which is cumulative time expressed as hours:minutes:seconds instead of time of day.
Hope this helps.
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