Email Client Feature Support Rankings
On this page
Last modified: 26 June 2024
Can I Email? breaks down email features by the clients that support them. These features come with intrinsic value, which can be broken up into three buckets. Accessibility, performance, and internationalization (i18n).
This page lists the number of features supported in each category by each email client.
Features per email client
Gmail (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
6
(view )
0
9
(view )
0
15
Internationalization
8
(view )
0
18
(view )
0
26
Performance
0
2
(view )
3
(view )
0
5
Gmail (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
5
(view )
0
10
(view )
0
15
Internationalization
6
(view )
2
(view )
18
(view )
0
26
Performance
0
2
(view )
3
(view )
0
5
Gmail (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
5
(view )
1
(view )
9
(view )
0
15
Internationalization
6
(view )
4
(view )
16
(view )
0
26
Performance
0
2
(view )
3
(view )
0
5
Gmail (Mobile webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
5
(view )
0
10
(view )
0
15
Internationalization
5
(view )
2
(view )
19
(view )
0
26
Performance
0
2
(view )
3
(view )
0
5
Outlook (Windows)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
4
(view )
1
(view )
10
(view )
0
15
Internationalization
3
(view )
1
(view )
22
(view )
0
26
Performance
0
0
5
(view )
0
5
Outlook (Windows mail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
1
(view )
0
14
(view )
0
15
Internationalization
3
(view )
1
(view )
22
(view )
0
26
Performance
1
(view )
0
4
(view )
0
5
Outlook (MacOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
9
(view )
3
(view )
3
(view )
0
15
Internationalization
11
(view )
0
15
(view )
0
26
Performance
3
(view )
0
2
(view )
0
5
Outlook (outlook.com)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
8
(view )
3
(view )
4
(view )
0
15
Internationalization
11
(view )
0
15
(view )
0
26
Performance
3
(view )
0
2
(view )
0
5
Outlook (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
9
(view )
0
6
(view )
0
15
Internationalization
11
(view )
1
(view )
14
(view )
0
26
Performance
3
(view )
0
2
(view )
0
5
Outlook (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
12
(view )
0
3
(view )
0
15
Internationalization
11
(view )
0
15
(view )
0
26
Performance
3
(view )
0
2
(view )
0
5
Yahoo! Mail (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
3
(view )
2
(view )
10
(view )
0
15
Internationalization
7
(view )
1
(view )
18
(view )
0
26
Performance
2
(view )
0
3
(view )
0
5
Yahoo! Mail (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
3
(view )
2
(view )
10
(view )
0
15
Internationalization
7
(view )
1
(view )
18
(view )
0
26
Performance
2
(view )
0
3
(view )
0
5
Yahoo! Mail (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
3
(view )
2
(view )
10
(view )
0
15
Internationalization
6
(view )
1
(view )
19
(view )
0
26
Performance
2
(view )
0
3
(view )
0
5
Apple Mail (MacOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
13
(view )
0
2
(view )
0
15
Internationalization
23
(view )
2
(view )
1
(view )
0
26
Performance
5
(view )
0
0
0
5
Apple Mail (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
13
(view )
0
2
(view )
0
15
Internationalization
19
(view )
1
(view )
6
(view )
0
26
Performance
5
(view )
0
0
0
5
AOL (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
3
(view )
2
(view )
10
(view )
0
15
Internationalization
7
(view )
1
(view )
18
(view )
0
26
Performance
2
(view )
0
3
(view )
0
5
AOL (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
1
(view )
1
(view )
12
(view )
1
(view )
15
Internationalization
8
(view )
0
18
(view )
0
26
Performance
2
(view )
0
3
(view )
0
5
AOL (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
4
(view )
1
(view )
9
(view )
1
(view )
15
Internationalization
7
(view )
0
19
(view )
0
26
Performance
2
(view )
0
3
(view )
0
5
Mozilla Thunderbird (MacOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
7
(view )
0
7
(view )
1
(view )
15
Internationalization
14
(view )
0
0
12
(view )
26
Performance
4
(view )
0
1
(view )
0
5
Mozilla Thunderbird (Windows)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
0
0
0
15
(view )
15
Internationalization
0
0
0
26
(view )
26
Performance
1
(view )
0
0
4
(view )
5
Samsung Email (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
14
(view )
0
1
(view )
0
15
Internationalization
20
(view )
1
(view )
5
(view )
0
26
Performance
5
(view )
0
0
0
5
SFR (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
15
(view )
0
0
0
15
Internationalization
15
(view )
0
0
11
(view )
26
Performance
5
(view )
0
0
0
5
SFR (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
9
(view )
0
6
(view )
0
15
Internationalization
14
(view )
0
0
12
(view )
26
Performance
3
(view )
0
2
(view )
0
5
SFR (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
9
(view )
0
6
(view )
0
15
Internationalization
12
(view )
0
1
(view )
13
(view )
26
Performance
4
(view )
0
1
(view )
0
5
Orange (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
5
(view )
0
8
(view )
2
(view )
15
Internationalization
2
(view )
1
(view )
9
(view )
14
(view )
26
Performance
3
(view )
0
2
(view )
0
5
Orange (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
4
(view )
0
9
(view )
2
(view )
15
Internationalization
4
(view )
1
(view )
7
(view )
14
(view )
26
Performance
2
(view )
0
3
(view )
0
5
Orange (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
6
(view )
0
7
(view )
2
(view )
15
Internationalization
3
(view )
1
(view )
6
(view )
16
(view )
26
Performance
3
(view )
0
2
(view )
0
5
ProtonMail (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
7
(view )
0
6
(view )
2
(view )
15
Internationalization
12
(view )
0
0
14
(view )
26
Performance
2
(view )
0
3
(view )
0
5
ProtonMail (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
7
(view )
0
6
(view )
2
(view )
15
Internationalization
12
(view )
0
0
14
(view )
26
Performance
2
(view )
0
3
(view )
0
5
ProtonMail (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
10
(view )
0
3
(view )
2
(view )
15
Internationalization
10
(view )
0
0
16
(view )
26
Performance
2
(view )
0
3
(view )
0
5
HEY (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
4
(view )
0
9
(view )
2
(view )
15
Internationalization
7
(view )
0
5
(view )
14
(view )
26
Performance
3
(view )
0
2
(view )
0
5
Mail.ru (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
6
(view )
1
(view )
8
(view )
0
15
Internationalization
21
(view )
0
5
(view )
0
26
Performance
1
(view )
0
4
(view )
0
5
Fastmail (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
9
(view )
0
4
(view )
2
(view )
15
Internationalization
11
(view )
0
1
(view )
14
(view )
26
Performance
1
(view )
0
4
(view )
0
5
LaPoste.net (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
13
(view )
0
0
2
(view )
15
Internationalization
12
(view )
0
0
14
(view )
26
Performance
5
(view )
0
0
0
5
T-online.de (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
0
0
1
(view )
14
(view )
15
Internationalization
0
0
0
26
(view )
26
Performance
0
0
0
5
(view )
5
Free.fr (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
1
(view )
0
0
14
(view )
15
Internationalization
0
0
0
26
(view )
26
Performance
0
0
0
5
(view )
5
GMX (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
2
(view )
0
12
(view )
1
(view )
15
Internationalization
2
(view )
0
23
(view )
1
(view )
26
Performance
1
(view )
0
4
(view )
0
5
GMX (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
13
(view )
0
0
2
(view )
15
Internationalization
22
(view )
0
0
4
(view )
26
Performance
4
(view )
0
1
(view )
0
5
GMX (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
4
(view )
0
9
(view )
2
(view )
15
Internationalization
17
(view )
0
5
(view )
4
(view )
26
Performance
2
(view )
0
3
(view )
0
5
WEB.DE (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
2
(view )
0
12
(view )
1
(view )
15
Internationalization
2
(view )
0
23
(view )
1
(view )
26
Performance
1
(view )
0
4
(view )
0
5
WEB.DE (iOS)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
13
(view )
0
0
2
(view )
15
Internationalization
22
(view )
0
0
4
(view )
26
Performance
4
(view )
0
1
(view )
0
5
WEB.DE (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
4
(view )
0
9
(view )
2
(view )
15
Internationalization
17
(view )
0
5
(view )
4
(view )
26
Performance
2
(view )
0
3
(view )
0
5
1&1 (Desktop webmail)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
10
(view )
0
3
(view )
2
(view )
15
Internationalization
17
(view )
0
5
(view )
4
(view )
26
Performance
2
(view )
0
3
(view )
0
5
1&1 (Android)
Category
Supported
Partial
Unsupported
Untested
Total
Accessibility
4
(view )
0
9
(view )
2
(view )
15
Internationalization
17
(view )
0
5
(view )
4
(view )
26
Performance
2
(view )
0
3
(view )
0
5
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