overflow-wrap in Thunderbird
Untested caniemail has no record for overflow-wrap in Thunderbird.
Works in 2 of 21 · partial in 3 · not supported in 13 · 3 untested
Which clients
- Works
- Samsung Mail, Superhuman
- Partial
- Apple Mail, Apple Mail iOS, Proton Mail
- Not supported
- Gmail, Gmail Android, Gmail iOS, Outlook 365, Outlook (New), Outlook Classic, Outlook iOS, Outlook Android, Outlook for Mac, Yahoo Mail, Yahoo Mail Android, Yahoo Mail iOS, AOL Mail
- Untested
- Thunderbird, HEY Mail, Fastmail
What to do instead in Thunderbird
Outlook Windows does not wrap a URL on word-break, word-wrap, or overflow-wrap. Insert ​ in a cell that has a width
<table role="presentation" width="100%" cellpadding="0"
cellspacing="0" border="0">
<tr>
<td width="100%">
https://example.com/​very/​long/​url?token=​abc123def456
</td>
</tr>
</table>Show the original
<p style="overflow-wrap: break-word;">
https://example.com/very/long/url?token=abc123def456
</p>A free account opens all 21 clients and keeps your checks for 7 days. Create a free account →
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fix
Every feature in Thunderbird · overflow-wrap in every client
Questions
- How many email clients support overflow-wrap?
- It works in 2 of 21, partial in 3, not supported in 13, 3 untested.
- What do I use instead of overflow-wrap in Thunderbird?
- Outlook Windows does not wrap a URL on word-break, word-wrap, or overflow-wrap. Insert ​ in a cell that has a width.
- Does overflow-wrap work in Apple Mail?
- overflow-wrap is partly supported in Apple Mail. Closest to Thunderbird: Apple Mail, which agrees on 219 of the 261 features both are tested on.
To see what in your email Thunderbird does not support, paste the whole email.
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caniemail (MIT) via @emailens/engine 0.18.22 · tested upstream 3 Aug 2022 · data last changed 10 Nov 2026 · Outlook (New) cells are the engine's mapping