B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
50.7%
50.7% -- inbox placement rate for Exchange (Office365) (Q1 2025)
Exchange (Office365) achieved an average inbox placement rate of 50.70% in Q1 2025.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
50.7%
Unit
Percentage
Data Vintage
Q1 2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
MailMonitor
Primary
Tier B
https://www.mailmonitor.com/gmail-vs-outlook-email-delivery-comparison/ ↗
Source Article
Gmail vs Outlook: Email Delivery Comparison | MailMonitor
Gmail and Outlook dominate the email landscape, but their delivery performance and filtering systems differ significantly. Here’s what you need to know:
- Gmail: Better inbox placement rates (53.70% in Q1 2025), AI-driven spam filtering, strict sender reputation standards, and mandatory SPF, DKIM, a…
Original Research
MailMonitor
· Original study ↗
Methodology
Down from 77.43% in Q1 2024, a 26.73% drop
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Exchange (Office365): 50.7% inbox placement rate. Source: MailMonitor (Q1 2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/exchange-inbox-placement-q1-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/exchange-inbox-placement-q1-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50.7%</strong> -- inbox placement rate for Exchange (Office365)<br><small>Source: MailMonitor (Q1 2025) · <a href="https://lighthousedata.io/data/exchange-inbox-placement-q1-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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