What is XLSX?
An Office Open XML workbook. Table previews show stored values, without recalculating formulas.
Technical details
Office Open XML files are OPC ZIP packages of related parts; XML parts describe workbook, word-processing, or presentation content while relationships connect resources. [1]
Background and compatibility
ECMA-376 standardizes WordprocessingML, SpreadsheetML, and PresentationML; macro-enabled extensions carry a macro project and can face application security restrictions. [1]
Sources and references
- Office Open XML File Formats (ECMA-376)Ecma International
Preview on your device
A table of stored values from the first sheet; up to 100 rows. No formula recalculation.
Conversion support
Export workbook data as XLSX, ODS, CSV, TSV, JSON, or HTML. Text-based exports use the chosen sheet and do not preserve workbook formatting.
Read the format reference on Wikipedia ↗