This statistic ranks the most used e-mail clients in September 2021, sorted by share of e-mail opens. During the observed period, it was found that Gmail accounted for 36.5 percent of e-mail opens, the highest share recorded. Meanwhile, the Apple iPhone e-mail client accounted for 33 percent of e-mail opens.
Market share of the most used e-mail clients in 2021
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Litmus. (October 8, 2021). Market share of the most used e-mail clients in 2021 [Graph]. In Statista. Retrieved May 16, 2022, from https://www.statista.com/statistics/265816/most-used-e-mail-service-by-market-share/
Litmus. "Market share of the most used e-mail clients in 2021." Chart. October 8, 2021. Statista. Accessed May 16, 2022. https://www.statista.com/statistics/265816/most-used-e-mail-service-by-market-share/
Litmus. (2021). Market share of the most used e-mail clients in 2021. Statista. Statista Inc.. Accessed: May 16, 2022. https://www.statista.com/statistics/265816/most-used-e-mail-service-by-market-share/
Litmus. "Market Share of The Most Used E-mail Clients in 2021." Statista, Statista Inc., 8 Oct 2021, https://www.statista.com/statistics/265816/most-used-e-mail-service-by-market-share/
Litmus, Market share of the most used e-mail clients in 2021 Statista, https://www.statista.com/statistics/265816/most-used-e-mail-service-by-market-share/ (last visited May 16, 2022)