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Updated July 2026 · real, multi-region App Store reviews
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The verdict on

Microsoft Outlook

65
User verdict / 100 High confidence Divided

Microsoft Outlook remains a highly-rated email and calendar app, praised for its organization and ease of use, but recent updates have introduced significant bugs, particularly with calendar syncing, search functionality, and general app stability.

4.8★ lifetime (9,052,719) Free to download since 2015 by Microsoft Corporation updated 0.1 mo ago recent negative 21% 120 reviews across 2 regions
Ease of Use & Organization Calendar Problems Search Functionality App Stability & Login AI/Co-pilot Integration
5★82
4★28
3★9
2★5
1★26
recent reviews across 2 regions, vs the 4.8★ lifetime average

Microsoft Outlook is generally well-regarded for its comprehensive email and calendar management, with many users finding it intuitive and efficient for both personal and professional use. However, recent updates have led to a noticeable increase in negative feedback, citing issues with calendar synchronization, search functionality, and app crashes, which contradict the developer's claims of performance improvements.

What users like

  • Organized and easy to use interfaceR7R13R29R60
  • Effective for managing multiple accounts and integrating calendar and emailR17R75R82R91
  • Reliable for school and work communicationR6R27R72R84
  • Good spam control and integration with other Microsoft servicesR23R39

What users complain about

  • Calendar issues, including not refreshing, incorrect time zones, and poor layout after updatesR16R87R119R143
  • Search function is often ineffective or brokenR19R30R37R66
  • App crashes, logs out frequently, and has login issuesR11R21R50R71
  • Difficulty sending emails, with messages getting stuck in outbox or not sending from draftsR8R83R111
  • Annoying pop-ups and inability to disable Co-pilot/AI featuresR25R31R53R80
  • Accessibility issues for visually impaired usersR24
  • Battery drain and performance problemsR21

Latest update · v5.2626.0

What the developer says changed (the verdict above weighs this against what reviewers report):

This update includes performance improvements and bug fixes to make Outlook better for you. Feel free to send us any comments or questions by going to Settings > Help & Feedback – we’d love to hear from you.

Recurring themes

Calendar Problems negative
Many users report that the calendar feature is buggy, with issues such as events not refreshing, incorrect time zone displays, and a new layout that is difficult to use and reduces visibility of event details.R16R28R87R119
Search Functionality negative
The search feature is a common point of frustration, with users finding it ineffective, unable to search specific folders, or generally 'miserable'.R19R30R37R66
App Stability & Login negative
Recent updates have led to frequent app crashes, users being logged out weekly, and difficulties logging in, which directly contradicts the developer's notes about bug fixes and performance improvements.R11R21R50R71
Ease of Use & Organization positive
Despite recent issues, many users still praise Outlook for its intuitive interface, organizational capabilities, and overall ease of use for managing emails and schedules.R7R13R29R60
AI/Co-pilot Integration negative
Several users express strong dissatisfaction with the presence of AI features like Co-pilot, finding them intrusive, unhelpful, and impossible to disable.R25R53R120R149

Who it's for

This app is for individuals and professionals who need a comprehensive email and calendar solution, especially those already integrated into the Microsoft ecosystem for work or school R6R27R72. It is suitable for users who value an organized interface and multi-account management R17R75. However, users who rely heavily on a perfectly functioning calendar, robust search, or consistent app stability may find recent versions frustrating R16R37R71.

Evidence note: The recent reviews skew more negative than the lifetime rating suggests, indicating a potential decline in user satisfaction following recent updates. While there are many positive reviews, the negative points are often detailed and consistent across multiple users, particularly regarding calendar, search, and stability issues. The developer's release notes claiming 'performance improvements and bug fixes' are directly contradicted by numerous recent user reports of new bugs and crashes R11R16R21R71.

Frequently asked

Does Microsoft Outlook integrate email and calendar functions?
Yes, Microsoft Outlook is praised for integrating email and calendar functions into one app, which many users find convenient for managing both communications and schedules R14R82R97.
Are there issues with the calendar in the latest Outlook updates?
Yes, recent updates have introduced several issues with the calendar, including it not refreshing, displaying incorrect times due to daylight savings, and a new layout that users find unappealing and less functional R16R87R119R143.
How effective is the search feature in Outlook?
Many recent reviews indicate that the search feature in Outlook is often ineffective, described as 'miserable' or 'annoying,' with users struggling to find emails even when they know the specific folder R19R30R37R66.
Does the Outlook app have stability problems?
Yes, some users report stability problems, including the app crashing, logging them out weekly, and having difficulty opening or logging in after updates R11R21R50R71.

What reviewers actually said

Built only from these 120 real reviews (foreign ones translated). Superscripts jump to the quote here. Apple has no per-review links, so [ref] opens that app's reviews on the App Store.

  1. [R7] 5/5 · US Easy to use: Your app is way much easier to use and understand than most email sites. Thank you.
  2. [R13] 5/5 · US Fantastic App: Very organized and easy to use.
  3. [R29] 5/5 · US A Jack Of All Trades: Microsoft Outlook App, is undoubtedly, matchless!
  4. [R60] 5/5 · AU Alan’s Review: The best email layout I have ever seen. So easy to navigate.
  5. [R17] 4/5 · US Excellent all - UX can still improve.: Overall syncing multiple accounts has been improved, new enhancements make quality of life better. But interface can still use adjustments and modernization.
  6. [R75] 5/5 · AU Best Email software 10 stars.: The best email software hands down can have multiple mailboxes all in one GUI.
  7. [R82] 5/5 · AU All in one: I love calendar and emails all in one app
  8. [R91] 5/5 · AU Easy to use: Saves me signing in all the time to different accounts
  9. [R6] 5/5 · US School email address: This email system has been easily accessible for communication and access to the apps, I will continue to use this in the future as well
  10. [R27] 5/5 · US Outlook: great professional experience for work and college
  11. [R72] 5/5 · AU Great app: Great app to use for 1.school 2.work 3. Any communication :)
  12. [R84] 4/5 · AU Very useful: Outlook is very useful in helping me stay updated in school as it is easily accessible at any time, easy to use for anyone and is extremely simple. Great app. I recommend.✌🏻
  13. [R23] 5/5 · US 5 out of 5: Awesome look, easy to navigate, emails arrive in a timely manner; no waiting or delays and in my case it always sorts out emails correctly once I designate an email as spam I don’t see anymore from that sender, great tech and even better system!
  14. [R39] 5/5 · US Reliable: I’ve used this since hotmail. Very reliable, great spam control and integration with onedrive etc. all around great product and ecosystem
  15. [R16] 2/5 · US Calendar stopped refreshing: On one of the recent updates the calendar to stop refreshing. Meetings are moved but not being reflected in the calendar. I’ve tried restarting, still out of date.
  16. [R87] 1/5 · AU UTC & Contacts: Calendar rescheduling continues to default to UTC Contact creation impossible for entries without person names (eg an company name alone cannot be saved)
  17. [R119] 1/5 · AU New calendar lay out: Change the calendar layout back to the old one. There is not reason if I want to look at the month of march that I need to see the entire last week of feb and the first week of April. The lines are so harsh and just unappealing.
  18. [R143] 1/5 · AU Daylight savings: Couldn’t show proper time for the events scheduled before Australia eastern daylight saving time started. Even though the calendar items show the correct date and time on outlook.com
  19. [R19] 4/5 · US Search feature: The search feature still needs some work because I can find an email in a specific folder but not always in the “search all folders”
  20. [R30] 4/5 · US Search Function not good: As in title
  21. [R37] 3/5 · US Good email bad search: Outlook search is miserable. Calendar, mail sorting and options otherwise are fantastic.
  22. [R66] 1/5 · AU Search tool is so annoying: They updated it but now you can’t use the dropdown option to find a different folder to search from. Way to make it more inconvenient
  23. [R11] 3/5 · US Latest update: I have not been able to login since the latest update. I need this for my job. I’ve been having to use a pc to access my emails
  24. [R21] 1/5 · US Buggy, drains the battery: The app keeps on asking for my email account password at random times and it drains the battery fast. The phone is always warm. I have to delete it. Those needless weekly updates do more damage than good.
  25. [R50] 1/5 · US Logs me out weekly: So work emails are missed until I notice.
  26. [R71] 1/5 · AU App is not working crashes using iOS 18 needs fix: I have re started my phone 3 times... click on app - crashes and goes back to phone Home Screen
  27. [R8] 4/5 · US New emails issues: Hard to send new emails
  28. [R83] 1/5 · AU It’s now broken: Outlook for iOS used to work well. Now it is useless. Yes you can read your received emails but don’t bother trying to reply. They just get stuck in your outbox. I have updated both iOS and Outlook, done a network reset, tried every potential fix I can find on the web but it’s still broken. Which seems to be par for the course with Microsoft lately.
  29. [R111] 3/5 · AU Ok: I can’t send an email without doing it from drafts
  30. [R25] 1/5 · US Can't disable Co-pilot, doesn't sync: I DO NOT WANT AI IN ANYTHING! If you click disable Co-pilot it still stays on. I added appointments to the app and it didn't sync to the desktop. Just not very good, I'll have to go back to Google Calendar. Microsoft is a shell of what it was, stop wasting money on AI and just build good products.
  31. [R31] 1/5 · US “What do you think of our app” popups are super duper annoying: These popups asking if I’m enjoying the app makes me not enjoy the app and leave bad reviews. Stop doing that.
  32. [R53] 3/5 · AU Well developed but some major flaws: The AI underlining the words I’m typing corrects already correct punctuation and spelling wrong and happens very often.
  33. [R80] 3/5 · AU iOS app is good but only use it because I must for enterprise: Good enough, works for work and is the only choice. What I dislike most is the regularly prompts asking if I like Outlook. Please don’t bug me.
  34. [R24] 4/5 · US Accessibility problems: It should really be a 2 star mark for poor and frustrating ongoing voice over usability glitches . Too often the app closes when swiping or hitting space , or ente on the keyboard . Second, when editing emails , the cursor moves to the top while typing resulting in text being entered in the town part before use realizes it. I am blind , as is my husband . We are very well
  35. [R28] 3/5 · US Review: I find the calendar a bit cumbersome and confusing when i am in a rush and the way emails are grouped makes it unclear what is most recent, and causes confusion looking for an email (latest) at times - On apple ipad
  36. [R120] 1/5 · AU Copilot???: AI slop icon can’t be turned off
  37. [R149] 2/5 · AU Copilot is everywhere and useless: Please remove copilot it gets in the way of productive use
  38. [R14] 5/5 · US My feedback on Outlook application: This application is very helpful for me because it organises my meetings and reminds me of important things. I really appreciate tools like Outlook, along with AI and other helpful resources, as they make my life easier.
  39. [R97] 5/5 · AU Reliable and Easy to Use: Smooth, fast, and organised. Email, calendar, and files all work together without issues. A solid app for daily use.

Synthesized from 120 recent App Store reviews · updated July 2026 · View on the App Store