📌 An .OTF data extension fits for storage of fonts, saved into an OpenType container accurately developed and designed by Adobe and Microsoft enterprises. The OpenType format definition considers various aspects of the TrueType (.TTF) and the PostScript (.PS) font foundations. Essentially, .OTF fonts are entirely scalable, which suggests that their characters can be easily resized without losing measure of quality. On the composition and structure, the .OTF format layout is quite close to the TrueType schema, except that it involves miscellaneous data structures which determine how precisely corresponding fonts behave and appear.
📌 This sub-branch of .OTF extension definition is related to a custom template for designing formulas utilized and opened up by OpenOffice spreadsheets. Particularly, the .OTF schema permits cells in scope of the spreadsheet to be automatically filled in taking into consideration the formula calculations. The following .OTF specification is formatted on the basis of OASIS OpenDocument XML technology. It should also be specifically noted that the Organization for the Advancement of Structured Information Standards (OASIS) is responsible for the maintenance, enhancement, and improvement of the OpenDocument technology.
📌 In auxiliary cases, .OTF standard may concern common interface format for composing tuft designs which can be seamlessly operated and opened up by tufting machines. Precisely, the predefined .OTF structure permits designs to be weaved into various textile fabrics and products. Therefore, the container includes integrated data markers such as yarn tuft, yarn placement, and thread-up lengths. The .OTF file specification is specified within a Windows .INI file-based makeup. The .OTF file extension is fully compliant with NedGraphics tuft design software, but afterwards the corporate trademark owner has altered the extension from “.OTF” to “.OTU” as long as the older definition caused conflicts with OpenType font objects.
How to open an .OTF file?
📌 .OTF documents can be revealed and opened by various designated software types, depending on the origin and source app which generated the outcome file object. Primarily, the container is supported by various font viewers, which are able to display the samples of the appropriate generic symbols and letters, maintained by the .OTF schema. In addition, exceptional .OTF files may be sustained and processed by OpenOffice Calc spreadsheet editor. This subcategory of the .OTF template resources are fully operated by the open source toolkit, unconditionally. In the rarest situations, the structure is supported by NedGraphics Tuft program applets, still available for proprietary download officially.
Wikipedia:
NedGraphics Tuft software
OpenOffice Calc