Issues

• Runtime logging fails silently when provided relative path

  Area: ExcelNeeds: attention 👋
  OfficeDev/office-js#6985 · Filter by author fabrizio-m opened on Oct 1, 2026
  3

  

• New Outlook: item opened from an .eml file has a non-mailbox GUID itemId, async reads fail with 9020

  Area: Outlook
  OfficeDev/office-js#6984 · Filter by author ngyradi opened on Oct 1, 2026
  

• Excel streaming custom functions with duplicate arguments remain #BUSY! after full recalculation

  Area: custom functionsArea: ExcelregressionStatus: Investigation Completed
  OfficeDev/office-js#6983 · Filter by author demyte opened on Oct 1, 2026
  1

  

• [Outlook Mac] displayNewMessageFormAsync reports success without opening a draft when no message is selected

  Area: OutlookType: product feature request
  OfficeDev/office-js#6982 · Filter by author conner-yang opened on Sep 30, 2026
  

• CustomFunctions sideload fails with "failed to download a required resource" on Excel 2608/2609 for remote origins — works on version 2604

  Area: ExcelregressionType: product bug
  OfficeDev/office-js#6981 · Filter by author px-wmeng opened on Sep 30, 2026
  3

  

• Office.context.mailbox.item.body.setSelectedDataAsync does not work if cursor is outside mail body

  Area: OutlookType: product bug
  OfficeDev/office-js#6980 · Filter by author dhoelzl opened on Sep 30, 2026
  

• Spam Addin Ribbon button label uses SuperTip.Text instead of spamButton.Label on New Look Outlook And Outlook Online

  Area: accessibilityArea: OutlookType: product bug
  OfficeDev/office-js#6979 · Filter by author glr0221 opened on Sep 30, 2026
  

• devicePermission.requestPermissions rejects with AccessDenied without showing a dialog in Word on the web

  Area: Common APIsType: product bug
  OfficeDev/office-js#6978 · Filter by author davi-pandektes opened on Sep 30, 2026
  1

  

• Outlook - Not able to load MicrosoftAjax.js.

  Area: OutlookType: product bug
  OfficeDev/office-js#6977 · Filter by author truchonh opened on Sep 29, 2026
  1

  

• SharedRuntime custom function stays #BUSY! forever as a cell formula (even a zero-I/O synchronous one) — works instantly when called directly from the task pane

  Area: custom functionsArea: ExcelType: doc bugType: doc request
  OfficeDev/office-js#6975 · Filter by author gopalan opened on Sep 25, 2026
  7

  

• Issues with Office.context.ui.displayDialogAsync and the browser's pop up blocker

  Area: Outlook
  OfficeDev/office-js#6974 · Filter by author dhoelzl opened on Sep 25, 2026
  1

  

• Sideloaded add-in with add-in commands no longer persists between Word sessions after the 24–25 Sept 2026 update (Windows and Mac)

  Area: WordregressionStatus: Internally AssignedStatus: under investigation
  OfficeDev/office-js#6973 · Filter by author heremoana25 opened on Sep 25, 2026
  2

  

• [Outlook] API limitation: Cannot add a resolved GAL Distribution List using Recipients.addAsync

  Area: Outlook
  OfficeDev/office-js#6972 · Filter by author mshigem0g opened on Sep 25, 2026
  

• Word getFileAsync(FileType.Pdf) omits document properties from PDF metadata

  Area: Word
  OfficeDev/office-js#6971 · Filter by author michael-balback-cx opened on Sep 23, 2026
  5

  

• Outlook Web - Forward email with attachments - getAttachmentsAsync returns wrong isInline property

  Area: OutlookPlatform: Online
  OfficeDev/office-js#6969 · Filter by author b-tosic opened on Sep 23, 2026
  

• [outlook] Agavehost is not defined, addin pane phone

  Area: Outlook
  OfficeDev/office-js#6968 · Filter by author RKesnar opened on Sep 23, 2026
  

• Spam addin UI in MAC Outlook clips option and FreeTextLabel texts.

  Area: OutlookMacPlatform: macOS
  OfficeDev/office-js#6967 · Filter by author glr0221 opened on Sep 23, 2026
  

• makeEWSRequestAsync fails for New Builds of Outlook on Mac for on-premises Exchange.

  Area: Outlook
  OfficeDev/office-js#6966 · Filter by author glr0221 opened on Sep 23, 2026
  

• Excel Online: InvalidRequestContext error when deleting sheet while context.sync() is running

  Area: ExcelNeeds: attention 👋
  OfficeDev/office-js#6964 · Filter by author SharonCKC opened on Sep 22, 2026
  5

  

• [Outlook] Spam add-in button Label renders SuperTip Description text instead of Label resource value

  Area: Outlook
  OfficeDev/office-js#6963 · Filter by author DustinBrungart opened on Sep 22, 2026
  5

  

• [Excel][Windows][Preview] Save As saves edits to the original workbook instead of creating a separate file; retry invokes no save handlers

  Area: ExcelNeeds: attention 👋
  OfficeDev/office-js#6962 · Filter by author vince-hardwick opened on Sep 22, 2026
  3

  

• Co-authoring tears down a task pane add-in's runtime when a second co-author joins

  Area: WordNeeds: attention 👋
  OfficeDev/office-js#6958 · Filter by author bradleyarnold-cmyk opened on Sep 18, 2026
  3

  

• OnNewMessageCompose handler not invoked in OWA and New Outlook for Mac

  Area: OutlookMacNeeds: attention 👋New OutlookPlatform: OnlineType: product bug
  OfficeDev/office-js#6956 · Filter by author j29gwjy5rf-code opened on Sep 18, 2026
  1

  

• Add-in Error banner RETRY button obscured by long translated text in non-English locales when Office.js CDN is unreachable

  Area: Outlook
  OfficeDev/office-js#6955 · Filter by author mikey8808 opened on Sep 18, 2026
  

• Classic Outlook on Windows: draft body is lost when a send is blocked by an on-send (ItemSend) add-in, and also when a pop-out compose window is simply closed and saved (16.0.20326.20132 / .20144)

  Area: OutlookWin32
  OfficeDev/office-js#6954 · Filter by author Hfcda opened on Sep 18, 2026
  2