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extension

.ico

The .ico file extension identifies ICO files.

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What this identifier means

Files ending in .ico are ICO: A container that bundles multiple icon sizes and colour depths, used for Windows icons and website favicons.

.ico scores

Deterministic scores calculated from the structured facts above. Identical facts always produce identical scores.

Overall score

83/100

  • Archiving score

    100
    • it is a current, actively maintained format
    • it is actively maintained and current

    Confidence 36% · evidence coverage 56%

  • Longevity score

    89
    • it is actively maintained and current
    • it is a current, actively maintained format
    • it occupies a niche corner of the ecosystem

    Confidence 38% · evidence coverage 75%

Related to .ico

File extensions

Data quality

Every claim on this page is classified as a verified fact, a derived fact or an assumption.

Overall confidence
90%
Verification status
verified
Last reviewed
2026-08-03
Verified facts
1

1 classified claim backed by 1 source.

Sources and review status

Review status: verified · confidence 90%

Last reviewed 2026-08-03 (revision 1).