Answer :
If a file did not open correctly, you should continue on anyway. Prior to initiating reading and writing activities, a file must first be opened.
An open file format is one that anyone can use and implement. It is defined by a public specification that is often maintained by a standards group. An open file format is one that anyone can use and implement.
It is defined by a public specification that is often maintained by a standards group. For instance, utilizing the standard software licenses employed by each, an open format can be implement by both proprietary and free and open source software.
Closed formats, as contrast to open formats, are regarded as trade secrets. If any copyrights, patents, trademarks, or other restrictions are absent from open formats (for instance, if they are in the public domain), they are referred to as free file formats and anybody may use them for no charge and for any purpose they choose.
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