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Microsoft UX/UI Designer Interview Questions

45 practice questions for Microsoft UX/UI Designer interviews

Microsoft UX designer interviews cover design thinking, user research methodology, information architecture, accessibility, and portfolio-based design critiques.

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Coding
1
System Design
coding Medium Verified Question #1

1. Design Rate Limiter


Category: Sliding window coding problem
# Design Rate Limiter Design a rate limiter system that controls the number of requests allowed within a specified time window. The rate limiter is...
Input: String
Output: Computed result
coding Medium Verified Question #2

2. Object Oriented Design - Idempotent Receipt Sending


Category: Trie-based coding problem
Input: String
Output: Computed result
coding Medium Verified Question #3

3. Object Oriented Design - Notification Service


Category: Trie-based coding problem
# Problem Statement Design a notification service that supports sending notifications through multiple channels (SMS, Email) and is architected to...
Input: Number(s)
Output: Computed result
coding Medium Verified Question #4

4. Shortest Substring with N Unique Characters


Category: String coding problem
# Shortest Substring with N Unique Characters *This is a variation of the leetcode problem* Given a string s and an integer n, find the length of...
Input: String
Output: Computed result
system design Hard Verified Question #5

5. Top 5 System Design Questions Jan 2026


Category: Interval-based system design problem
# Top 5 Recently Asked System Design Questions - Microsoft These are the commonly asked system design questions from Microsoft interviews and some...
Input: List
Output: Computed result
coding Hard Verified Question #6

6. Rate Limiter


Category: Sliding window coding problem
Design a rate limiter that tracks API requests per client and enforces limits using a sliding time window. Your system must support: - hit(key,...
Input: Given input
Output:** Computed result
coding Hard Verified Question #7

7. Non-Adjacent Team Selection


Category: Tree coding problem
# Question You are given n people labeled from 0 to n - 1. Some pairs of people know each other directly. These relationships are given as a...
Input: List
Output: Computed result
coding Medium Verified Question #8

8. Bounded Repeat Substring


Category: String coding problem
A sensor data stream is represented as a string of characters. A contiguous segment of the stream is considered valid if it contains no three...
Input: String
Output: Computed result
coding Medium Verified Question #9

9. OA [CodeSignal] Prime Jumps


Category: Algorithm coding problem
# OA [CodeSignal] Prime Jumps A game is played with the following rules: - A player starts at cell 0 with a score of 0. - There is a row of n cells...
Input: Number(s)
Output: Computed result
coding Hard Verified Question #10

10. Combine N-ary Trees


Category: Tree coding problem
You are given the roots of two N-ary organization charts, each representing a hierarchical department structure. Every node has an integer...
Input: List
Output: Computed result
coding Medium Verified Question #11

11. Digit Replacement Maximizer


Category: String coding problem
A numeric optimization system performs exactly k substitution operations on a number string s. In each operation, choose any digit in s that is...
Input: String
Output: Computed result
coding Medium Verified Question #12

12. Best Window For Target Count


Category: Trie-based coding problem
A log analysis tool searches for the most frequent occurrence of a specific error code within a fixed-size window of log entries. Given an integer...
Input: Array
Output: Integer
coding Medium Verified Question #13

13. Evens Before Odds


Category: Array coding problem
You are given an integer array nums. Rearrange nums so that all even numbers appear before all odd numbers. The relative order of even or odd...
Input: Array
Output: Integer
design challenge Senior design challenge #1

1. [OA] Low Bandwidth UX Redesign — Improve Microsoft Teams for Users with Limited Internet Connectivity

Microsoft Teams serves countless users globally; however, accessibility for users on limited bandwidth remains a challenge. This task calls for a redesign that ensures effective communication and collaboration in low connectivity scenarios.
Problem Statement: Design a UX that allows users to operate Microsoft Teams smoothly when bandwidth is low. Focus on implementing features that optimize performance while preserving essential functionalities like chat, video, and file sharing. Additionally, propose a method for informing users of their connectivity status in real time.
Example 1:
Input: Current user flow for a Teams meeting on varying bandwidths.
Output: Redesign proposal for those flows ensuring smooth operations.
Explanation: Showcasing features that can be disabled or optimized without hampering core functionalities.
Constraints:
- Maintain core functionalities essential for remote collaboration.
- Ensure international accessibility across various device types, including older models.
- Consider time zone differences affecting users in diverse regions.
design challenge Senior design challenge #2

2. [OA] Accessibility Redesign — Improve the Microsoft Office Accessibility Features for Visually Impaired Users

Microsoft seeks to improve accessibility features in its Office suite to better support visually impaired users. This redesign should accommodate users utilizing screen readers and keyboard navigations, ensuring seamless interaction.
Problem Statement: Given the current interfaces of Word, Excel, and PowerPoint, propose a redesign of these applications focusing on screen reader compatibility, keyboard shortcuts, and color contrast. Your solution should contain specific components for each application, define how it enhances usability, and also address potential implementation challenges.
Example 1:
Input: Current user feedback on the accessibility features of Microsoft Office.
Output: Redesign proposal highlighting key enhancements.
Explanation: A proposal that outlines a new user flow enhancing accessibility with detailed and actionable insights.
Constraints:
- Ensure compliance with WCAG 2.1 standards.
- Consider low bandwidth users accessing features via online versions.
- Engage real user feedback from visually impaired individuals located in varying regions.
ux critique Medium ux flows #3

3. Critique the User Experience of Microsoft Edge's Tab Management System

Microsoft Edge is positioned as a leading web browser with features designed to enhance user productivity. However, user feedback indicates friction with the tab management system, affecting efficiency when multitasking. Identify the challenges and propose improvements.
Problem Statement: Assess the current tab management experience within Microsoft Edge, focusing on issues such as tab freezing, organization, and quick access to favorites. Your critique should outline user pain points and actionable suggestions for improvement based on real user feedback.
Example 1:
Input: User feedback on current Edge tab management.
Output: A structured critique listing usability issues and improvements.
Explanation: Delve into aspects that users find problematic, with concrete redesign suggestions for tab interactions.
Constraints:
- Consider Edge's existing design language and brand identity.
- Propose changes that could be implemented feasibly across platforms.
- Ensure that alterations respect user personalization and preferences.
product design Hard design systems #4

4. Design System Structure for Microsoft 365 Apps

Microsoft seeks to unify the design experience across its 365 suite, which includes Word, Excel, PowerPoint, and Outlook, among others. The challenge involves creating a robust design system that maintains a consistent visual language while allowing for flexibility among various applications.
Problem Statement: Outline a comprehensive structure for a design system that caters to the diverse needs of Microsoft 365 applications. Describe components such as design tokens, UI patterns, and usage guidelines. Explain how you would handle updates and collaboration across teams using this design system.
Example 1:
Input: Current components and styles utilized across the Microsoft 365 app ecosystem.
Output: A detailed structure map of the proposed design system.
Explanation: Highlighting variances in current practices and illustrating the unified approach.
Constraints:
- Must maintain brand coherence across all products within 365.
- Offer sufficient guidance without overwhelming the design teams.
- Ensure scalability for future apps and features.

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