.OTF - File Extension for OpenType Font Files

Q

What is OTF? OTF, short name for OpenType Font, is used as the file extension for OpenType Font files. .OTF files are binary files that are used to store OpenType fonts. See the sample .OTF file included below.

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A

File Extension: .OTF

MIME Type: application/octet-stream

File Content: OpenType Font

.OTF files are OpenType Font files saved as binary files. Here are the first 64 bytes of a sample .OTF file, OCRAStd.otf, dumped in HEX values:

4f 54 54 4f 00 0d 00 80 00 03 00 50 42 41 53 45 OTTO.......PBASE
8b 20 94 b1 00 00 5b ec 00 00 00 3a 43 46 46 20 ............CFF.
18 58 c5 8f 00 00 0a ec 00 00 4b be 44 53 49 47 .X........K.DSIG
1a 1b 20 22 00 00 5c 28 00 00 1b 84 47 50 4f 53 ............GPOS

.OTF OpenType Font file sample: Click sample.otf to download.

For more information on .OTF OpenType Font files, see links below:

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