Issues

• OpenXml reader fails when workbook relationship target starts with "/"

  ExcelDataReader/ExcelDataReader#764 · Filter by author Iceeman76 opened on Oct 2, 2026

• OOXML strict: a cell holding a time with no date is resolved against the current date, so its value changes daily

  bug
  ExcelDataReader/ExcelDataReader#759 · Filter by author jloor opened on Aug 8, 2026
  1

• FIPS Compliance

  enhancementneed info
  ExcelDataReader/ExcelDataReader#733 · Filter by author Jetski5822 opened on Jan 15, 2026
  4

• Notes -API

  enhancement
  ExcelDataReader/ExcelDataReader#727 · Filter by author hughbe opened on Nov 5, 2025
  1

• Defined names - API

  ExcelDataReader/ExcelDataReader#726 · Filter by author hughbe opened on Nov 5, 2025
  1

• Multi-character delimiters in CSV

  breakingenhancement
  ExcelDataReader/ExcelDataReader#687 · Filter by author Foustian opened on Aug 30, 2024 · 4.0
  4

• ExcelReader reading blank lines from file that was disabled for editing

  need info
  ExcelDataReader/ExcelDataReader#680 · Filter by author benzionyunger opened on Jul 29, 2024
  2

• how to read text in the TextBox

  enhancement
  ExcelDataReader/ExcelDataReader#677 · Filter by author jzhouw opened on Jul 19, 2024

• How to read an excel file with linked data type

  enhancement
  ExcelDataReader/ExcelDataReader#668 · Filter by author FrancisPeds opened on Mar 25, 2024
  2

• XLSX link cell type

  ExcelDataReader/ExcelDataReader#663 · Filter by author jonilviv opened on Jan 14, 2024
  3

• Export Control Classification Number (ECCN) for the library

  ExcelDataReader/ExcelDataReader#660 · Filter by author f-camera opened on Nov 21, 2023

• Reading the formatting of the cells (color/fontSize/etc)

  enhancement
  ExcelDataReader/ExcelDataReader#630 · Filter by author BenjaBobs opened on Mar 8, 2023
  1

• Drop down cell

  enhancement
  ExcelDataReader/ExcelDataReader#611 · Filter by author devasis-bassu opened on Oct 3, 2022

• Exceptions not documented when opening a file

  breakingenhancement
  ExcelDataReader/ExcelDataReader#598 · Filter by author jdh28 opened on May 23, 2022
  1

• [Feature Request] - exposure separator directly

  enhancement
  ExcelDataReader/ExcelDataReader#562 · Filter by author archiero opened on Aug 20, 2021
  1

• Support ods files

  enhancement
  ExcelDataReader/ExcelDataReader#534 · Filter by author appel1 opened on May 27, 2021

• Very large memory being used for a 50mb excel file

  enhancementneed infoperformance
  ExcelDataReader/ExcelDataReader#525 · Filter by author kikaragyozov opened on Apr 26, 2021
  29

• [Feature Request] Create async reader.

  enhancement
  ExcelDataReader/ExcelDataReader#509 · Filter by author inqb opened on Jan 7, 2021 · 4.0

• SubScript/SuperScript in cell value

  enhancement
  ExcelDataReader/ExcelDataReader#497 · Filter by author SravaniBeeram opened on Nov 14, 2020
  2

• Make ResetSheetData method public

  enhancement
  ExcelDataReader/ExcelDataReader#435 · Filter by author shmutalov opened on Oct 15, 2019
  6

• [Feature Request] Support Data Filters

  enhancement
  ExcelDataReader/ExcelDataReader#421 · Filter by author novettaberin opened on Jun 18, 2019

• how can I get the annotation from a cell

  enhancement
  ExcelDataReader/ExcelDataReader#408 · Filter by author firedtoad opened on May 5, 2019

• Reading Formulas?

  enhancementhelp wanted
  ExcelDataReader/ExcelDataReader#332 · Filter by author davidbirchwork opened on Apr 29, 2018
  2

• Excel file details

  enhancement
  ExcelDataReader/ExcelDataReader#308 · Filter by author jgasiorowski opened on Jan 26, 2018
  3

• Reading a Cell's Comment

  enhancement
  ExcelDataReader/ExcelDataReader#292 · Filter by author robertlarkins opened on Nov 15, 2017
  1