.wks
| File Type 1 |
 Works Spreadsheet |
| File Format |
Proprietary (Microsoft) |
| Usage |
Referenced by an application; not meant to be opened manually; may run a program or script when opened |
| Popularity |
★ ★ ★ ★ ☆ Common |
| Description |
Spreadsheet created by the Microsoft Works spreadsheet program; contains data organized in rows and columns; MS Works is a streamlined version of MS Office and does not include all the features available in the Office programs.
Important: Excel 2007 and later may not open WKS files.
|
| Open With |
| Windows |
 Microsoft Works
|
|
| Updated |
March 18, 2010 |
| File Type 2 |
 Lotus 1-2-3 Spreadsheet |
| File Format |
Proprietary (IBM) |
| Usage |
Open manually |
| Popularity |
★ ★ ☆ ☆ ☆ Uncommon |
| Description |
Spreadsheet file created by Lotus 1-2-3; stores data in a grid of cells, which may contain formulas, alphanumeric text, or number values and are organized by rows and columns.
WKS files are used in Lotus 1-2-3 version 1.0.
Important: Excel 2007 and later may not open Lotus WKS files.
|
| Open With |
| macOS |
 Planamesa NeoOffice
 OpenOffice Calc
|
| Unix |
OpenOffice Calc  Gnumeric
|
|
| Updated |
2007 |
|
