This MS-900 practice question tests your understanding of describe microsoft 365 apps and services. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A user accidentally deletes a critical file from their OneDrive for Business. The IT admin needs to restore the file. What is the maximum number of days that OneDrive for Business retains deleted files by default for users without a retention policy?
30 days
Why wrong: 30 days is the default for SharePoint first-stage recycle bin, not OneDrive.
60 days
Why wrong: 60 days is not a default retention period for OneDrive.
183 days
Why wrong: 183 days is for users with a retention policy or legal hold.
93 days
OneDrive retains deleted files for 93 days in the recycle bin by default.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
93 days
By default, OneDrive for Business retains deleted files in the recycle bin for 93 days. This includes both the first-stage recycle bin (30 days) and the second-stage recycle bin (an additional 63 days), totaling 93 days before permanent deletion. This default retention applies when no specific retention policy or legal hold is configured.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
30 days
Why it's wrong here
30 days is the default for SharePoint first-stage recycle bin, not OneDrive.
60 days
Why it's wrong here
60 days is not a default retention period for OneDrive.
183 days
Why it's wrong here
183 days is for users with a retention policy or legal hold.
93 days
Why this is correct
OneDrive retains deleted files for 93 days in the recycle bin by default.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse the 30-day first-stage recycle bin retention with the total retention period, or mistakenly apply Exchange Online's 183-day deleted item retention to OneDrive for Business.
Detailed technical explanation
The 93-day retention is composed of two stages: items spend up to 30 days in the user's recycle bin, and if not restored, they move to the site collection recycle bin for an additional 63 days. After the total 93 days, the files are permanently purged and cannot be recovered by the user or admin without a backup or retention policy. This two-stage recycle bin architecture is shared with SharePoint Online, but the default retention duration differs.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Describe Microsoft 365 apps and services — This question tests Describe Microsoft 365 apps and services — Read the scenario before looking for a memorised answer..
The correct answer is: 93 days — By default, OneDrive for Business retains deleted files in the recycle bin for 93 days. This includes both the first-stage recycle bin (30 days) and the second-stage recycle bin (an additional 63 days), totaling 93 days before permanent deletion. This default retention applies when no specific retention policy or legal hold is configured.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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