Top file variants for owssvr.dll

Users	Filename	Product	Company	Version	Variant
21.08%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 60 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	11.0.8402.0	21027603
7.84%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.4762.1000	7762462
7.35%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7106.5002	21672579
6.86%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6690.5000	26350141
5.39%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6665.5000	15087536
4.41%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7128.5000	26172698
3.92%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 60 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	11.0.8339.0	1667116
3.43%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7137.5000	29945552
3.43%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 60 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	11.0.6411.0	2135617
2.94%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7015.1000	22734239
2.94%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.6120.5005	11642272
2.45%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7106.5002	25583997
1.96%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.6029.1000	6302629
1.96%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7123.5000	25286139
1.47%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6421.1000	2526918
1.47%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6545.5002	7895082
1.47%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7106.5002	22233856
1.47%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6219.1000	7317869
1.47%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.6137.5002	19036627
1.47%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 60 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	11.0.8165.0	1979838
1.47%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 60 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	11.0.6568.0	9756140
0.98%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6665.5000	18337667
0.98%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7143.5000	31227406
0.98%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4420.1017	19831580
0.98%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6690.5000	29040055
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4551.1001	29729513
0.49%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6665.5000	23009708
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.6114.5001	6531006
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4551.1001	25413859
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4517.1004	28247070
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7149.5000	33252935
0.49%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6676.5000	25798146
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.4762.1000	13466493
0.49%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 50 \ isapi \ owssvr.dll	Microsoft SharePoint	Microsoft Corporation	10.0.2614.0	23999192
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7123.5000	26530516
0.49%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6219.1000	4684057
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 14 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	14.0.7145.5000	31635043
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6608.1000	25497262
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.6421.1000	6491362
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4605.1000	30429622
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4481.1004	26689276
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4420.1017	19746067
0.49%	%COMMONFILES% \ Microsoft Shared \ Web Server Extensions \ 12 \ ISAPI \ owssvr.dll	Windows SharePoint Services	Microsoft Corporation	12.0.4518.1016	5150042
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4701.1000	32971389
0.49%	%PROGFILES64% \ Common Files \ Microsoft Shared \ Web Server Extensions \ 15 \ ISAPI \ owssvr.dll	Microsoft SharePoint Foundation	Microsoft Corporation	15.0.4631.1000	29556729

You can also check global information about owssvr.dll.