Hi Prathmesh_khare,
Based on your reply, it seems that you cant find Power Pivot add-in in COM add-in.
You said youre the employee of Cisco, maybe your version of office is ProPlus E1 which dont support this add-in. Please check the version of Excel 2013 you are using now, if Power Pivot is supported in your version of excel. Please go to File- Account,
as shown in the following figure.
These add-ins and the Inquire add-in all require specific SKUs of Microsoft Office 2013. They are available on:
- Microsoft Office 2013 Professional Plus
- Microsoft Office 365 ProPlus available as a standalone subscription.
- Microsoft Office 365 ProPlus available as part of the Office 365 Enterprise E3, Office 365 Enterprise E4, Office 365 Education E2, Office 365 Education E3, Office 365 Government E3, or Office 365 Government E4 offerings.
- Microsoft Excel 2013 standalone with the following update
http://support.microsoft.com/kb/2817425
If your version of excel support Power Pivot add-in, this issue might be occurred the registry keys that provide the add-in information to the Add-in Manager are damaged or set to invalid values. See More Information for the Office 2013 SKUs that contain
these add-ins.
To work around this issue is to delete the affected registry keys. Microsoft Office PowerPivot for Excel 2013 add-in corresponds to the following registry keys, respectively:
- HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\User Settings\PowerPivotExcelAddin
- HKEY_CURRENT_USER\Software\Microsoft\Office\Excel\Addins\PowerPivotExcelClientAddIn.NativeEntry.1
Please refer to following article to get more information.
https://support.microsoft.com/en-us/kb/2805999/en-us?wa=wsignin1.0
Hope its helpful.
Regards,
George Zhao
TechNet Community Support