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Getting Started with NPOI
Tony Q. edited this page Jun 2, 2025
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We have huge examples for you to learn how to use NPOI.
Please click here for NPOI tutorials
| HSSFWorkbook | XSSFWorkbook | SXSSFWorkbook | |
|---|---|---|---|
| File Format | .xls (Excel 97-2003) | .xlsx (Excel 2007+) | .xlsx (Excel 2007+) |
| Format Type | BIFF8 binary | OpenXML | OpenXML |
| Max Rows per Sheet | 65,536 | 1,048,576 | 1,048,576 |
| Max Columns per Sheet | 256 | 16,384 | 16,384 |
| Streaming Workbook | No | No | Yes |
| Memory Usage | High | High | Low |
https://github.com/nissl-lab/npoi/wiki/How-to-use-NPOI-on-Linux
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