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What users hate about Microsoft Outlook

29% of the 500 most recent US App Store reviews of Microsoft Outlook are 1–2★. Here is what those users complain about, counted and quoted. Snapshot: October 2026.

Microsoft Outlook icon
Microsoft Outlook

Microsoft Corporation · Productivity · reviews 2026-09-04 → 2026-10-18

4.79★all-time (9,331,769)
3.70★last 500 reviews
29%negative (1–2★)
22feature requests
5★279
4★48
3★29
2★31
1★113

Top complaints about Microsoft Outlook

Share of the 144 negative reviews that mention each theme.

Crashes & bugs49 reviews · 34% of negative
★ Deletes the wrong message …the Deleted folder and the message next to it was deleted! The previous version wasn’t loading messages, just showing an error, do they even do basic testing? A recent change moved the message toolbar from the bottom right to the left, so annoying. v5.2639.0 · 2026-10-10
Login & account18 reviews · 13% of negative
★ bad. no normal person should have to log into an app six times a day. also please tell me what your password requirements are because trying to figure out what you want and making a password that’s going to get leaked anyways is really annoying when… v5.2635.1 · 2026-09-17
Notifications12 reviews · 8% of negative
★ Spam magnet. ZERO STAR APP. Garbage app App is pitiful! Does not to filter spam, yet sends you upgrade notifications to block spam! The government should reign in all these greedy corporations! App is pure garbage and full… v5.2637.0 · 2026-09-22
Slow & performance10 reviews · 7% of negative
Bad update9 reviews · 6% of negative
AI features8 reviews · 6% of negative
Ads6 reviews · 4% of negative
Confusing UI & UX6 reviews · 4% of negative
Privacy & security5 reviews · 3% of negative
Sync & data loss4 reviews · 3% of negative
Price & subscription4 reviews · 3% of negative
Customer support2 reviews · 1% of negative

What Microsoft Outlook users are asking for

22 feature requests found in total.

Rating by recent version

See today's reviews and the full reportThis page is a snapshot. Run a live analysis of Microsoft Outlook (or any app, in 13 country stores) for free, then unlock every quote, all 22 feature requests, rating by version, repeated phrases and a Markdown export for Claude or ChatGPT – US$2.99, pay once.
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FAQ

What do users complain about most in Microsoft Outlook?

In 500 recent US App Store reviews, the biggest complaint themes among the 144 negative (1–2★) reviews are crashes & bugs (49, 34%), login & account (18, 13%), notifications (12, 8%).

Is Microsoft Outlook getting worse?

Its all-time rating is 4.79★ from 9,331,769 ratings, while the last 500 written reviews average 3.70★. Written reviews skew negative on most apps, so compare the trend between versions rather than the absolute number.

How was this analysed?

Reviews dated 2026-09-04 to 2026-10-18 were read from Apple's public review feed and matched against complaint patterns (crashes, login, sync, pricing, ads, UI, updates, support and more). One review can count toward several themes.

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