CTS File Format - TreeSheets Hierarchical Spreadsheet File

_XLS File Format - What is an _XLS file?

12M File Format - Lotus 1-2-3 SmartMaster File

GNM - Gnumeric Spreadsheet File Format

GNUMERIC - Gnumeric Spreadsheet File Format

XLSMHTML - Microsoft Excel MIME HTML Spreadsheet

What is an XLTHTML file?

XL - Microsoft Excel Spreadsheet File Format

MAR - Mariner Calc Spreadsheet File Format

DFG - Data Flask Grid File

XAR - Microsoft Excel Auto-Recovery File Format

NUMBERS - Apple iWork Numbers spreadsheet

NUMBERS-TEF - Files created by using Apple iWork Numbers spreadsheet for iCloud

AST - Ability Spreadsheet Template File

AWS - Ability Spreadsheet File

BKS - Microsoft Works Spreadsheet Backup File

CELL - Thinkfree Office NEO Cell Workbook File

DEF - SmartWare II Spreadsheet Data File

DEX - Microsoft Excel Spreadsheet File

EFU - Everything File List Spreadsheet File

ESS - EasySpreadsheet Spreadsheet File Format

FCS - First Choice Spreadsheet File

FM - FileMaker Pro Spreadsheet File

FP - FileMaker Pro Spreadsheet File

IMP - Lotus Improv Spreadsheet File Format

PMD - PlanMaker Spreadsheet File

PMDX - PlanMaker Spreadsheet File

SDC - Apache OpenOffice Calc Spreadsheet

STC - StarOffice Calc Spreadsheet Template File Format

SXC File Format

What is a TMV file?

TMVT - TimeMap LexisNexis Spreadsheet Template File

FODS - OpenDocument XML Spreadsheet File Format

PMVX - PlanMaker Spreadsheet Template File

XLA - Excel Add-In File

What is Lotus 123 file format? Learn from File Format Experts!

NB - Mathematica Notebook File Format

OTS - OpenDocument Spreadsheet Template File Format

XLR - Microsoft Works Spreadsheet File Format

What is XLS file format? Learn from File Format Experts!

What is an _XLSX file?

CSV File Format

DIF - Data Interchange File Format

What is a DIS file?

What is a ODS file?

TSV - Tab-Separated Values File Format?

XLAM File Format

What is an XLM file?

What is an XLSB file?

What is an XLSM file?

XLSX File Format - What is an XLSX file?

What is an XLT file?

What is an XLTM file?

What is an XLTX file?