Anyfile
Open file
.xlsxTypical support level 3

Open XLSX Spreadsheets Online

XLSX stores workbook data and formatting in an Open XML package. Anyfile parses the selected workbook with SheetJS and presents its sheets in a read-only grid.

Choose a .xlsx file

Your file stays on this device

Anyfile reads only the local file you select. Parsing, decoding and rendering happen in this browser tab; the file is not uploaded to Anyfile servers.

What Anyfile can show

  • Worksheet names, cells and computed cached values
  • Common number formats and basic styling
  • Multiple-sheet navigation

Limits and conditions

  • Macros and external data connections are not executed
  • Charts, advanced conditional formatting and editing are incomplete or unavailable

IMPLEMENTATION

Viewers responsible for this format

Excel viewer
Read-only workbook parsing and virtualized sheet browsing.
See implementation and open-source credits
Archive metadata viewer
Bounded local listings for ZIP-derived and compressed archives.
See implementation and open-source credits

Common question

Does Anyfile recalculate XLSX formulas?

It primarily displays values stored in the workbook; it is not a full Excel calculation environment.