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Issues list

XSSFWorkbook.SetForceFormulaRecalculation will not force recalc on open Excel book need-investigation
#1148 opened Aug 2, 2023 by kenjiuno
15
Multiple print area bug regression xls
#734 opened Jan 20, 2022 by acts432 NPOI 2.8.0
13
XSSFSheet.ShowInPane( X , Y ) is damaging the file I'm saving bug xlsx
#578 opened Jun 18, 2021 by EmaGht NPOI 2.7.3
11
ISheet.SetDefaultColumnStyle not applied to new cells bug help-wanted xlsx
#976 opened Dec 12, 2022 by Xriuk NPOI 2.7.3
1
@Bykiev
9
Adding rows of data into existing xlsx file with pivot tables and charts result with unusable file. bug file_error file format generation/writing issue xlsx
#1293 opened Mar 13, 2024 by rafinewman NPOI 3.0.0
7
NPOI having issues evaluating cascade formulas (formula cells referencing other formula cells) need-investigation
#914 opened Aug 19, 2022 by dp250195
7
Unable to Evaluate Formula while referencing an external workbook formula need-investigation
#1442 opened Nov 11, 2024 by hitensam NPOI 2.8.0
6
Excel XSSFWorkbook takes more than 4 to 5sec to load from Stream (Bulk data) performance xlsx
#1194 opened Sep 27, 2023 by utthungagokul
4 tasks
NPOI 2.8.0
6
ExcelToHtmlConverter.ProcessWorkbook throws Illegal IndexedColor index: 0 error on .NET Core 3.1 bug
#621 opened Aug 18, 2021 by Evanyi0016 NPOI 2.8.0
6
xlsx file can be broken if it is generated by NPOI 2.4.1 file_error file format generation/writing issue question
#1454 opened Dec 5, 2024 by lifuhua123
5
NPOI setting a new workbook ThemesTable copied from another workbook ThemesTable does nothing need-investigation xlsx
#1380 opened Jul 4, 2024 by EugenM88
1 task
NPOI 2.7.3
5
Error with filters on a pivot table causes a corrupt sheet and memory error need-investigation
#1155 opened Aug 11, 2023 by fizgig
5
Cell color info is not correct. How to get correct info? bug help-wanted need-investigation
#820 opened Apr 27, 2022 by weix77 NPOI vNext
5
ReplaceText incorrect text changing. bug docx help-wanted
#666 opened Oct 7, 2021 by Kazbek NPOI 2.7.3
5
Rounding errors are boosted by ROUNDDOWN, VLOOKUP, etc. formula need-investigation
#1457 opened Dec 9, 2024 by helmkebecksche
1 of 5 tasks
NPOI 2.8.0
4
Unable to Generate Excel from a template with Pivot & Filters bug file_error file format generation/writing issue
#1201 opened Oct 23, 2023 by potdarpriyanka NPOI 2.8.0
4
Is it possible to add anchor picture in XWPF? docx enhancement help-wanted
#1024 opened Feb 25, 2023 by ryanlin1986 NPOI 2.8.0
4
Field Variable support in Word document docx enhancement help-wanted
#992 opened Jan 3, 2023 by tiantian0531 NPOI vNext
4
Reading Data Validation for sheet returns empty set if validation is a formula to another sheet bug xlsx
#498 opened Jan 10, 2021 by mdufrasne NPOI 2.7.3
4
XSLF (PPTX) support enhancement pptx
#1480 opened Jan 22, 2025 by tonyqus NPOI 2.9.0
3
AutoSizeColumn throws exception while it's over 3000 rows need-investigation
#1466 opened Dec 23, 2024 by 13572743126
3
SXSSFWorkbook generated xlsx file cannot be import by PowerBI need-investigation sxssf
#1443 opened Nov 12, 2024 by msmith-work
1 task done
3
Excel has new default font Aptos, NPOI should not set a default FontName need-investigation xlsx
#1417 opened Sep 13, 2024 by desdoades NPOI 2.7.3
3
fixed AutoFilter record size with multibyte strings. bug xls
#1367 opened Jun 21, 2024 by htoyama
1 of 5 tasks
NPOI 2.8.0
3
How can protected workbook excel file with npoi enhancement xls
#1312 opened Apr 9, 2024 by mjjalala
2 of 5 tasks
NPOI vNext
3
ProTip! Adding no:label will show everything without a label.