B
Evidence Grade B
Graded
under review
Safe to Cite
Current
87%
87% -- email client usage share for Outlook among business customers (2026)
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
87%
Unit
Percentage
Data Vintage
2026
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
PivotComm
Primary
Tier B
http://www.pivotcomm.com/how-to/tips-for-mobile-email-marketing ↗
Source Article
Tips for mobile email marketing
Original Research
PivotComm
· Original study ↗
Methodology
Based on email campaign client usage reporting cited by PivotComm
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Outlook among business customers: 87% email client usage share. Source: PivotComm (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/outlook-business-email-usage-87-percent
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<blockquote cite="https://lighthousedata.io/data/outlook-business-email-usage-87-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>87%</strong> -- email client usage share for Outlook among business customers<br><small>Source: PivotComm (2026) · <a href="https://lighthousedata.io/data/outlook-business-email-usage-87-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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