Best Icons
All IconsPricingUnlimited Icon API
All IconsPricingUnlimited Icon API
Best Icons

Search 312,774 thoughtfully tagged SVG icons from commercially licensed sources. Free includes 108,692 SVG variants across 44 curated sets — 35% of the library.

PricingLicensesAccountLegal NoticePrivacy PolicyTerms

Featured Icon Sets

  • Lucide
  • Heroicons
  • Tabler
  • Bootstrap Icons
  • Font Awesome Free
  • Material Symbols
  • Fluent
  • PH
  • Feather
  • Iconoir

Icons by Topic

  • finance
  • strategy
  • process
  • team
  • tech
  • sales
  • marketing
  • legal
  • time
  • communication
  • sustainability
  • risk
  • logistics
  • education
  • health
  • navigation
  • media
  • Miscellaneous
  • Social media

Licenses & Guides

  • All source licenses
  • MIT icons
  • Apache 2.0 icons
  • CC0 icons
  • Icon guides
  • Icons for PowerPoint & Google Slides
  • Commercial use & attribution
  • SVG vs. PNG
© 2026 Best Icons
  1. Home
  2. ›All Icons
  3. ›Fluent Mdl2
  4. ›Mail Undelivered Icon
Solid
Icon color
Mail Undelivered icon – Fluent Mdl2
2048px grid
Communication

Mail Undelivered Icon — Fluent Mdl2

mail-undelivered · fluent-mdl2

An envelope with an X or cross mark indicating undelivered or failed mail.

Loading download options…
Icon collections

Best matches

mailundeliveredfailederror

License Information

You may use, modify, distribute, and sell this icon in private or commercial projects. Keep the original copyright and MIT permission notice with copies or substantial portions.

View MIT license

Common searches

undelivered mailmail undeliveredfailed mailmail faileddelivery failurefailure deliverymail errorerror mailunable delivermail unablebouncemail bounce

Related terms

mail undeliveredundelivered mailmail undelivered statusundelivered status mailstatus undelivered mailmail status undeliveredfailed mail undeliveredmail failed undeliveredundelivered mail failedfailed undelivered maildelivery failure mailmail delivery failurefailure mail deliveryerror mail undelivered

Broad associations

mailundeliveredfailederroremaildeliverybouncestatusproblemissueindicatorflagnotificationcommunicationwarningaction
Fluent Mdl2 set

Using the Mail Undelivered Icon

An envelope with an X or cross mark indicating undelivered or failed mail. This solid icon belongs to Fluent Mdl2, a source set with 1,735 SVG records. Its recorded source grid is 2048px. It is indexed under mail, undelivered, failed, error, undelivered mail, mail undelivered.

Choose SVG for scalable interface artwork or PNG for a raster image in a presentation or document. Export sizes and access depend on your plan. Resizing, recoloring or converting a file does not remove the source license obligations.

Related Icons

  • Mail icon – ionMailion
  • Mail icon – codiconMailcodicon
  • Mail icon – guidanceMailguidance
  • Mail icon – streamline-stickies-colorMailstreamline-stickies-color
  • Mail icon – hugeiconsMailhugeicons
Mail icon – hugeicons
Mailhugeicons
  • Mail icon – hugeiconsMailhugeicons
  • Mail Stacks icon – freeicons-iconmoonMail Stacksfreeicons-iconmoon
  • Mail Stacks icon – freeicons-line-awesomeMail Stacksfreeicons-line-awesome
  • Mail Stacks icon – freeicons-typiconsMail Stacksfreeicons-typicons
  • Envelope icon – ant-designEnvelopeant-design
  • Envelope icon – bytesizeEnvelopebytesize