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When porting an Excel spread sheet into TM1 Contributor/ Planner, the format of string and number will display differently from in the Excel.  This is due to the string measurement algorithm that TM1 uses when it converts an Excel spreadsheet into web format.  Within the web.config file look for the following section:

<!– If 0 (zero), all string measurement will use the legacy mode;
    If 1, string cell measurement will use the new mode;
                If 2, number cell measurement will use the new mode;
                If 3, all string measurement will use the new mode –>
            <!– A value of 3 is recommended for all customers to optimize performance.  
                Upgrading customers may find that Websheets created in previous versions
                will display #### signs in some columns due to the new string
                mesasurement algorithm.  
    This situation can be resolved by resizing column widths in existing Excel
                Workbooks and re-publishing or setting the String Measurement to 0.
                <add key=”StringMeasurement” value=”3″ />

The StringMeasurement parameter is set to 3 by default.  Changing it to 0 (legacy mode) may help a bit but may not completely resolve the issue.  Regardless of which mode is chosen, the column width needs to be adjusted in order to get an expected display format.

Here are the comparisons between the new mode (‘3’) and legacy mode (‘0’) in Contributor / Planner for a string and number:

Normal display within Excel
Web Display 1

New Mode (mode 3)
Web Display 2

Legacy Mode (mode 0)
Web Display 3