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Outlook drag and drop attachment file .msg into task pane does not trigger event

Needs: triage 🔍New issue, needs PM on rotation to triage ASAPNew issue, needs PM on rotation to triage ASAP

Status: Open.

#6493 In OfficeDev/office-js;

· joelfmrodrigues opened on Feb 6, 2026

[Word] Inconsistent behavior of range.bookmarks between Windows and Mac (hidden bookmarks missing on Mac)

Area: WordIssue related to Word add-insIssue related to Word add-ins

Needs: attention 👋Waiting on Microsoft to provide feedbackWaiting on Microsoft to provide feedback

Status: Open.

#6492 In OfficeDev/office-js;

· fangd1997 opened on Feb 6, 2026

RichApi: UndoNotSupported error when inserting large number of formulas with mergeUndoGroup

Area: ExcelIssue related to Excel add-insIssue related to Excel add-ins

Needs: attention 👋Waiting on Microsoft to provide feedbackWaiting on Microsoft to provide feedback

Status: Open.

#6491 In OfficeDev/office-js;

· didu9898 opened on Feb 5, 2026

Add-in does not run when Outlook is triggered from the iOS share menu

Needs: triage 🔍New issue, needs PM on rotation to triage ASAPNew issue, needs PM on rotation to triage ASAP

Status: Open.

#6490 In OfficeDev/office-js;

· dariussantaras opened on Feb 5, 2026

Same as #6321 - Office Web Add-ins cannot be deployed from the Integrated apps page of the M365 admin center

Needs: triage 🔍New issue, needs PM on rotation to triage ASAPNew issue, needs PM on rotation to triage ASAP

Status: Open.

#6489 In OfficeDev/office-js;

· sk-sk-kd opened on Feb 4, 2026

Event OnNewMessageCompose not executed when user opens e-mail quickly in new window

Needs: triage 🔍New issue, needs PM on rotation to triage ASAPNew issue, needs PM on rotation to triage ASAP

Status: Open.

#6488 In OfficeDev/office-js;

· digiofficerobin opened on Feb 4, 2026

Excel Online: Custom functions return #NAME? after mass recalculation triggered via Named Item updates

Area: ExcelIssue related to Excel add-insIssue related to Excel add-ins

Needs: attention 👋Waiting on Microsoft to provide feedbackWaiting on Microsoft to provide feedback

Possible-Solution

Similar-Issue

Status: Open.

#6487 In OfficeDev/office-js;

· Alex-adva opened on Feb 4, 2026

Task pane remains open after the email has been sent in OWA

Needs: triage 🔍New issue, needs PM on rotation to triage ASAPNew issue, needs PM on rotation to triage ASAP

Possible-Solution

Similar-Issue

Status: Open.

#6486 In OfficeDev/office-js;

· nikolasalim opened on Feb 4, 2026

OnAppointmentSend Add-in not executing on Calendar Invites

Needs: triage 🔍New issue, needs PM on rotation to triage ASAPNew issue, needs PM on rotation to triage ASAP

Possible-Solution

Similar-Issue

Status: Open.

#6485 In OfficeDev/office-js;

· abdumanas-plutoflume opened on Feb 4, 2026

Outlook category synchronization is inconsistent between Classic Outlook, OWA, and New Outlook

Needs: triage 🔍New issue, needs PM on rotation to triage ASAPNew issue, needs PM on rotation to triage ASAP

Status: Open.

#6484 In OfficeDev/office-js;

· shivneel-prakash opened on Feb 4, 2026

streamingInvocationContext.onCanceled called out of order when modifying stream parameters

Area: ExcelIssue related to Excel add-insIssue related to Excel add-ins

Needs: attention 👋Waiting on Microsoft to provide feedbackWaiting on Microsoft to provide feedback

Status: Open.

#6483 In OfficeDev/office-js;

· KDean-Dolphin opened on Feb 3, 2026

Close Excel document with context.workbook.close(Excel.CloseBehaviour.Save); freezes Excel Desktop

Area: ExcelIssue related to Excel add-insIssue related to Excel add-ins

regressionFunctionality that previously worked no longer worksFunctionality that previously worked no longer works

Status: in backlogIssue is being tracked in the backlog but timeline for resolution is unknownIssue is being tracked in the backlog but timeline for resolution is unknown

Status: Open.

#6482 In OfficeDev/office-js;

· leticiaDValle opened on Feb 3, 2026