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Outlook: Keep folders expanded when you restart Outlook

Microsoft 365 Message Center Archive by Merill Fernando

Summary

Outlook will remember which folders and shared mailboxes you have expanded or collapsed when you restart the app. You can pick up where you left off without opening the same folder branches again. This makes returning to your usual folders easier. #newoutlookforwindows

Status
In development
General availability target
Feb 2027
Preview target
Not published
Products
Outlook
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Desktop, Web
Source created
11 Nov 2026
Source modified
11 Nov 2026 · today
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 15:16 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current