Spreadsheet Files

#	File Extension	Full File Name
1	File Extension $$S	OS/2 Spreadsheet
2	File Extension 123	Lotus 1-2-3 Spreadsheet
3	File Extension AWS	Ability Spreadsheet Format
4	File Extension AWSS	Microsoft Works For Mac Spreadsheet
5	File Extension CSVX	XML CSV
6	File Extension CWSS	ClarisWorks Spreadsheet
7	File Extension DFG	Data Flask Grid Format
8	File Extension DIS	Oracle Discoverer Workbook
9	File Extension DWK	DADiSP Worksheet
10	File Extension ECSV	Encapsulated Comma Separated Value
11	File Extension EDX	Edraw XML FIle
12	File Extension EDXZ	Edraw Compressed XML FIle
13	File Extension FCS	First Choice Spreadsheet
14	File Extension FJ3	Lotus 1-2-3 Worksheet Format
15	File Extension FM1	Lotus 1-2-3 Release 2.x Spreadsheet
16	File Extension FODS	OpenDocument Flat XML Spreadsheet
17	File Extension GSHEET	Google Drive Spreadsheet
18	File Extension JNB	SigmaPlot Workbook
19	File Extension KS	Microsoft Works Spreadsheet Format
20	File Extension KSP	Calligra Sheets Spreadsheet
21	File Extension LGX	Logistix Spreadsheet Format
22	File Extension NAM	DMAP Spreadsheet Format
23	File Extension NB	Mathematica Notebook
24	File Extension NMBTEMPLATE	Numbers Spreadsheet Template
25	File Extension NUMBERS	Numbers Spreadsheet Format
26	File Extension NUMBERS-TEF	Numbers ICloud Document
27	File Extension ODS	OpenDocument Spreadsheet
28	File Extension OGW	OriginLab Worksheet
29	File Extension OTS	OpenDocument Spreadsheet Template
30	File Extension OTW	Origin Worksheet Template Format
31	File Extension PMBAK	PlanMaker Backup Format
32	File Extension PMDX	PlanMaker Spreadsheet Format
33	File Extension PMV	PlanMaker Spreadsheet Template
34	File Extension PMVX	PlanMaker Spreadsheet Template Format
35	File Extension QPW	Quattro Pro Spreadsheet
36	File Extension QVO	QlikView Table
37	File Extension RS1	RETScreen Spreadsheet
38	File Extension SDC	Apache OpenOffice Calc Spreadsheet
39	File Extension SIAG	SIAG Spreadsheet Format
40	File Extension SILK	Microsoft Excel Symbolic Link Format
41	File Extension SKY	Microsoft Multiplan SYLK Spreadsheet
42	File Extension SLS3	Microsoft Excel 3 For Mac Template
43	File Extension SLS4	Microsoft Excel 4 For Mac Template
44	File Extension SLS5	Microsoft Excel 5 For Mac Template
45	File Extension SLS8	Microsoft Excel 98 For Mac Template
46	File Extension SPW	SLIM-Master Plan Workbook
47	File Extension STC	OpenOffice.org Calc Spreadsheet Template Format
48	File Extension SWSS	ClarisWork Spreadsheet
49	File Extension SXC	StarOffice Calc Spreadsheet
50	File Extension SXLS	Sealed Excel Spreadsheet
51	File Extension SXLSX	Sealed Microsoft Excel 2007 Worksheet
52	File Extension SYK	Microsoft Excel Symbolic Link Format
53	File Extension UOS	Uniform Office Spreadsheet
54	File Extension WB0	Corel Quattro Pro Spreadsheet
55	File Extension WB?	Corel Quattro Pro Spreadsheet
56	File Extension WG1	Lotus 1-2-3 Worksheet
57	File Extension WG2	Lotus 1-2-3 For OS/2 Worksheet
58	File Extension WJ3	Lotus 1-2-3 Worksheet Format
59	File Extension WK!	Lotus 1-2-3 Spreadsheet
60	File Extension WKI	Lotus 2 Worksheet
61	File Extension WKQ	Corel Quattro Pro For MS-DOS Spreadsheet
62	File Extension WKS	Works Spreadsheet
63	File Extension WKU	Lotus 1-2-3 Spreadsheet
64	File Extension WKZ	Wingz Spreadsheet
65	File Extension WQ!	Corel Quattro Pro Compressed Spreadsheet
66	File Extension WQ0	Corel Quattro Pro For MS-DOS Spreadsheet
67	File Extension WQ1	Quattro Pro For DOS Spreadsheet Format
68	File Extension WQ2	Quattro Pro For DOS Spreadsheet Format
69	File Extension WQ?	Corel Quattro Pro For MS-DOS Spreadsheet
70	File Extension WR!	Compressed Lotus Spreadsheet
71	File Extension WR1	Lotus Symphony Spreadsheet
72	File Extension XCEL	Microsoft Excel For Mac Spreadsheet
73	File Extension XL	Excel Spreadsheet
74	File Extension XLMX	Microsoft Excel Macro-enabled Spreadsheet
75	File Extension XLR	Works Spreadsheet
76	File Extension XLS	Excel Spreadsheet
77	File Extension XLS3	Microsoft Excel 3 For Mac Spreadsheet
78	File Extension XLS4	Microsoft Excel 4 For Mac Spreadsheet
79	File Extension XLS5	Microsoft Excel 5 For Mac Spreadsheet
80	File Extension XLS8	Microsoft Excel 98 For Mac Spreadsheet
81	File Extension XLSB	Excel Binary Spreadsheet
82	File Extension XLSHTML	Microsoft Excel HTML Spreadsheet
83	File Extension XLSM	Excel Open XML Macro-Enabled Spreadsheet
84	File Extension XLSMHTML	Microsoft Excel MIME HTML Spreadsheet
85	File Extension XLSX	Microsoft Excel Open XML Spreadsheet
86	File Extension XLSXE	Document Manager Encrypted Excel Spreadsheet Format
87	File Extension XLS_	Microsoft Excel For Mac Spreadsheet
88	File Extension XLTHTML	Microsoft Excel HTML Spreadsheet Template
89	File Extension XLTM	Excel Open XML Macro-Enabled Spreadsheet Template
90	File Extension XLTX	Excel Open XML Spreadsheet Template
91	File Extension XLW3	Microsoft Excel 3 For Mac Workbook
92	File Extension XLW4	Microsoft Excel 4 For Mac Workbook
93	File Extension XLW5	Microsoft Excel 5 For Mac Workbook
94	File Extension XLW_	Microsoft Excel 2 For Mac Workbook
95	File Extension XLXML	Microsoft Excel XML Worksheet
96	File Extension XMLX	Excel Spreadsheet
97	File Extension XS4	XESS Worksheet
98	File Extension XS5	XESS Worksheet
99	File Extension XSLB	Microsoft Excel Data Format
100	File Extension _XLS	Microsoft Excel Workbook