Issues

• PowerPoint on the web shows "Sorry, we ran into a problem" when a task pane add-in opens.

  Area: PowerPoint
  OfficeDev/office-js#7054 · Filter by author MrKSchmitz opened on Nov 12, 2026
  1

  

• Outlook for Mac (on-prem Exchange): task pane add-in fails with "Sorry, we can't load the add-in"

  Area: OutlookMacPlatform: macOS
  OfficeDev/office-js#7053 · Filter by author karamesefatih opened on Nov 11, 2026
  

• Excel on the web: task pane always opens for a shared runtime add-in that only has ExecuteFunction buttons

  Area: ExcelStatus: under investigation
  OfficeDev/office-js#7052 · Filter by author Acibi opened on Nov 10, 2026
  3

  

• Word for Mac crashes on Document.insertFileFromBase64(file, "Replace")

  Area: WordNeeds: attention 👋
  OfficeDev/office-js#7051 · Filter by author scott-harveyai opened on Nov 10, 2026
  3

  

• File chooser dialog suppressed since recent excel version

  Area: ExcelArea: Native RuntimeArea: WordNeeds: attention 👋regression
  OfficeDev/office-js#7050 · Filter by author ImTindall opened on Nov 9, 2026
  5

  

• PowerPoint on the web: when one context.sync() changes several slides, only the last slide is redrawn

  Area: PowerPoint
  OfficeDev/office-js#7049 · Filter by author louisjc opened on Nov 9, 2026
  1

  

• Outlook on the web / new Outlook: attachment removed with removeAttachmentAsync is still in the sent email when to.setAsync runs in parallel

  Area: OutlookNew OutlookPlatform: Online
  OfficeDev/office-js#7048 · Filter by author abdumanas-plutoflume opened on Nov 6, 2026
  

• PowerPoint: add-in ribbon group duplicated on Windows after the document is first associated with the add-in in PowerPoint for the web (excatalog vs EXCatalog reference casing, same root cause as #3076)

  Area: PowerPointregression
  OfficeDev/office-js#7047 · Filter by author Mat-Ser-letsignit opened on Nov 6, 2026
  1

  

• [Word on the web] Writing text into a table (TableRow.values / TableCell.value) scrolls the document view to the selection

  Area: WordNeeds: attention 👋
  OfficeDev/office-js#7046 · Filter by author arunadocorto opened on Nov 5, 2026
  3

  

• New Outlook, Outlook on the web: body.setSelectedDataAsync followed by body.setSignatureAsync inserts an extra empty paragraph

  New Outlook
  OfficeDev/office-js#7045 · Filter by author DmitryKostochko opened on Nov 4, 2026
  

• New Outlook: Compose mode task pane and multi selection: Office.onReady not being called

  New Outlook
  OfficeDev/office-js#7044 · Filter by author dhoelzl opened on Nov 4, 2026
  

• PowerPoint for Mac: unhandled “Permission Denied” / 7000 after Office.onReady resolves in a static content add-in

  Area: PowerPointSimilar-Issue
  OfficeDev/office-js#7043 · Filter by author beezzting opened on Nov 3, 2026
  2

  

• Smart Alerts (OnMessageSend, SoftBlock): no "Add-in unavailable" / "Email sending is blocked" message on intermittent connection in Classic Outlook on Windows and OWA

  Area: OutlookSimilar-Issue
  OfficeDev/office-js#7041 · Filter by author abdumanas-plutoflume opened on Nov 2, 2026
  1

  

• [PowerPoint] presentation.customXmlParts omits custom XML parts not referenced in p:custDataLst (e.g. SharePoint document properties)

  Area: PowerPoint
  OfficeDev/office-js#7040 · Filter by author AndreasDvrs opened on Nov 2, 2026
  1

  

• Office Scripts on desktop: table.getSort().apply() corrupts blank cells and loses values

  Area: ExcelStatus: under investigation
  OfficeDev/office-js#7039 · Filter by author pddulfer opened on Nov 1, 2026
  5

  

• Bug Report – Outlook Office.js App Does Not Automatically Switch from Read Mode to Compose Mode and Loses in EML fles Headers in compose mode

  New Outlook
  OfficeDev/office-js#7038 · Filter by author Johan-NL2025 opened on Oct 30, 2026
  

• Loading document.storyRanges causes GeneralException

  Area: WordNeeds: attention 👋
  OfficeDev/office-js#7036 · Filter by author pynde opened on Oct 29, 2026
  5

  

• Outlook on the web: unified-manifest add-in that declares Mailbox.SharedFolder is not offered on a shared mailbox's message (its add-in entry has SupportsSharedFolders: null)

  Area: OutlookPlatform: Online
  OfficeDev/office-js#7035 · Filter by author jjrmilner opened on Oct 29, 2026
  

• [Outlook iOS] Microsoft sign-in page renders enlarged and clips controls in add-in windows; normal in Safari

  Area: OutlookMobilePlatform: macOS
  OfficeDev/office-js#7034 · Filter by author CeeMite opened on Oct 29, 2026
  

• internetHeaders.setAsync fails on new Outlook for Mac with Exchange on-premises although isSetSupported("Mailbox", "1.8") is true — works on classic Mac (docs vs behavior)

  MacNew OutlookPlatform: macOS
  OfficeDev/office-js#7033 · Filter by author siddhant-jain-seclore opened on Oct 28, 2026
  

• makeEwsRequestAsync always fails with 9020 (GenericResponseError) on new Outlook for Mac with Exchange on-premises

  Area: OutlookMacPlatform: macOS
  OfficeDev/office-js#7032 · Filter by author siddhant-jain-seclore opened on Oct 27, 2026
  

• New onecdn office.js sets Office.context to undefined (instead of {}) when no Office host is present

  Area: DevXStatus: Internally AssignedType: product bug
  OfficeDev/office-js#7031 · Filter by author nagireddyHarika5422 opened on Oct 27, 2026
  5

  

• [Outlook][Docs] Document that AppointmentForm.body is rendered as HTML, and its size limit

  Area: OutlookNew Outlook
  OfficeDev/office-js#7030 · Filter by author conner-yang opened on Oct 26, 2026
  1

  

• [Outlook][Windows classic] Task pane opened with no item selected never rebinds mailbox.item; after a selection every display*Form call fails with 5001 for the session

  Area: OutlookNew Outlook
  OfficeDev/office-js#7029 · Filter by author conner-yang opened on Oct 26, 2026
  

• Custom functions return "#Value!" when read from Named Items

  Area: custom functionsArea: ExcelNeeds: attention 👋
  OfficeDev/office-js#7028 · Filter by author Matt-Puentes opened on Oct 26, 2026
  8