Spreadsheets support.
What opens, what edits, and what is coming next.
Available means a supported operation exists. It does not imply lossless editing of every feature. Engine builds can change codec availability.
Spreadsheets support on FileEditor.net
Recognized extensions: .xlsx, .xls, .ods. This format belongs to the Office family.
This format has implemented operations. Availability can depend on the decoder included in the deployed engine.
XLSX/ODS and legacy XLS import, PDF preview, desktop editing and XLSX/ODS/CSV/PDF export. Up to 50 MB, 100 sheets and one million stored cells. Macros, external data and encrypted files are rejected. CSV exports only the first sheet and loses workbook formatting and formulas.
Tools for Spreadsheets
- Spreadsheet editor — Work with cells, formulas and sheets in an isolated Office session.
- Convert spreadsheet — Convert XLSX, XLS and ODS workbooks to XLSX, ODS, CSV or PDF.
- Office to PDF — Create a PDF from a document, spreadsheet or presentation.
- Office viewer — Open a safe PDF preview of Office files on desktop or mobile.
File handling
Originals remain unchanged and exports use separate files. Sessions expire after two hours of inactivity, with an absolute 24-hour lifetime. Review privacy and deletion before uploading.
Compare all format capabilities · Explore available file tools · Upload allowances