List view

Dropdown support

docx

enhancement

help-wanted

vba

Status: Open.

#1243 In nissl-lab/npoi;

· nightblade9 opened on Dec 21, 2023

Multiple print area

bug

regression

xls

Status: Open.

#734 In nissl-lab/npoi;

· acts432 opened on Jan 20, 2022

Unable to rotate image manually in DOCX

docx

enhancement

Status: Open.

#1353 In nissl-lab/npoi;

· constantinje opened on May 22, 2024

ExcelStyleDateFormatter incorrect Format result

bug

help-wanted

xls

xlsx

Status: Open.

#863 In nissl-lab/npoi;

· fortnum opened on Jun 27, 2022

Implement ISheet.Cells collection to return a cell range

api

enhancement

xls

xlsx

Status: Open.

#1448 In nissl-lab/npoi;

· tonyqus opened on Nov 23, 2024

Wrong picture size in merged cell after picture.Resize() was invoked.

bug

drawing

xlsx

Status: Open.

#1393 In nissl-lab/npoi;

· JackyLi918 opened on Jul 23, 2024

Unable to Evaluate Formula while referencing an external workbook

formula

need-investigation

Status: Open.

#1442 In nissl-lab/npoi;

· hitensam opened on Nov 11, 2024

Rounding errors are boosted by ROUNDDOWN, VLOOKUP, etc.

formula

need-investigation

Status: Open.

#1457 In nissl-lab/npoi;

· helmkebecksche opened on Dec 9, 2024

Images in Excel are not being resized properly anymore

bug

drawing

help-wanted

xlsx

Status: Open.

#1496 In nissl-lab/npoi;

· countdown opened on Feb 22, 2025

How can I reaplce text in word document include image?

bug

docx

Status: Open.

#1169 In nissl-lab/npoi;

· tonyqus opened on Aug 23, 2023

A built-in way to validate a cell value based on Excel data validation constraints?

enhancement

help-wanted

xlsx

Status: Open.

#1231 In nissl-lab/npoi;

· tonyqus opened on Dec 3, 2023

NPOI setting a new workbook ThemesTable copied from another workbook ThemesTable does nothing

need-investigation

xlsx

Status: Open.

#1380 In nissl-lab/npoi;

· EugenM88 opened on Jul 4, 2024

ISheet.SetDefaultColumnStyle not applied to new cells

bug

help-wanted

xlsx

Status: Open.

#976 In nissl-lab/npoi;

· Xriuk opened on Dec 12, 2022

Combine the paragraphs and table contens of two docx with NPOI

docx

enhancement

Status: Open.

#773 In nissl-lab/npoi;

· Eymeria-cyber opened on Mar 11, 2022

[Proposal] Support for password-protected Office file encryption (Agile) – Reference Implementation

enhancement

security

Status: Open.

#1641 In nissl-lab/npoi;

· modeverv opened on Oct 3, 2025

Add support for encrypting XLSX files with a password

enhancement

security

Status: Open (in progress).

nissl-lab/npoinumber 1642

#1642 In nissl-lab/npoi;

· modeverv opened on Oct 4, 2025