B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
8%
8% -- email client market share for Outlook (2015)
Outlook accounted for an 8% email client market share worldwide between March 1, 2015, and April 1, 2015.
- Data may over- or under-represent clients/devices due to automatic image blocking
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Lighthouse Research Team
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Source verified
Evidence graded
Value
8%
Unit
Percentage
Data Vintage
2015
Entity
Sample Size
1,060,000,000
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
emailclientmarketshare.com
Primary
Tier A
http://emailclientmarketshare.com/ ↗
Source Article
Email Client Market Share
#1 Apple iPhone 28% +1.34
#2 Gmail 17% -0.51
#3 Apple iPad 12% -0.09
#4 Outlook 8% -0.76
#5 Apple Mail 8% +0.09
#6 Google Android 7% +0.31
#7 Outlook.com 5% -0.28
#8 Yahoo! Mail 4% +0.02
#9 Windows Live Mail 2% -0.05
#10 AOL Mail 1% +0.02
Email client market share
Email client usage worldwide, colle…
Original Research
emailclientmarketshare.com
· Original study ↗
Methodology
Collected from 1.06 billion email opens worldwide by Litmus Email Analytics
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2012-02 | 43% | |
| 2013 | 17% | -60.5% |
| 2014-03 | 14% | -17.6% |
| 2015 (current) | 8% | -42.9% |
| 2015-12 | 6% | -25.0% |
| 2016 | 7% | +16.7% |
| 2016-11 | 6% | -14.3% |
| 2017-12 | 6% | 0% |
| 2018-05 | 8% | +33.3% |
| 2020 | 8% | 0% |
| 2021-03 | 7% | -12.5% |
| 2021-04 | 7% | 0% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
Outlook: 8% email client market share. Source: emailclientmarketshare.com (2015). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-client-market-share-outlook
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<blockquote cite="https://lighthousedata.io/data/email-client-market-share-outlook" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>8%</strong> -- email client market share for Outlook<br><small>Source: emailclientmarketshare.com (2015) · <a href="https://lighthousedata.io/data/email-client-market-share-outlook" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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