Top file variants for microsoft.sharepoint.dsp.dll

Users	Filename	Product	Company	Version	Variant
30.77%	%WINDIR% \ assembly \ gac \ microsoft.sharepoint.dsp \ 11.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Data retrieval service dll	Microsoft Corporation	11.0.8161.0	12419978
15.38%	%WINDIR% \ assembly \ GAC_MSIL \ Microsoft.SharePoint.Dsp \ 12.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Windows SharePoint Services	Microsoft Corporation	12.0.4518.1016	4684095
15.38%	%WINDIR% \ Microsoft.Net \ assembly \ GAC_MSIL \ Microsoft.SharePoint.Dsp \ v4.0_15.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4420.1017	19746517
11.54%	%WINDIR% \ assembly \ GAC_MSIL \ Microsoft.SharePoint.Dsp \ 12.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Windows SharePoint Services	Microsoft Corporation	12.0.4518.1016	7317966
11.54%	%WINDIR% \ Microsoft.Net \ assembly \ GAC_MSIL \ Microsoft.SharePoint.Dsp \ v4.0_15.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4420.1017	30255199
3.85%	%SystemDiskRoot% \ Windows \ assembly \ GAC_MSIL \ Microsoft.SharePoint.Dsp \ 12.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Windows SharePoint Services	Microsoft Corporation	12.0.4518.1016	31682322
3.85%	%SystemDiskRoot% \ Windows \ Microsoft.Net \ assembly \ GAC_MSIL \ Microsoft.SharePoint.Dsp \ v4.0_15.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4420.1017	26689449
3.85%	%WINDIR% \ assembly \ GAC_MSIL \ Microsoft.SharePoint.Dsp \ 12.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Windows SharePoint Services	Microsoft Corporation	12.0.4518.1016	17193825
3.85%	%WINDIR% \ assembly \ GAC_MSIL \ Microsoft.SharePoint.Dsp \ 14.0.0.0__71e9bce111e9429c \ microsoft.sharepoint.dsp.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.6105.5000	9679640

You can also check global information about microsoft.sharepoint.dsp.dll.