Definition of file extension in English:

file extension

noun

Computing

A string of characters attached to a filename, usually preceded by a full stop and indicating the format of the file.
Example sentencesExamples
- My best guess is that Ed has accidentally saved some images with the wrong file extension.
- The protocol name is simply the filename, excluding any file extension.
- This is done by viewing the file extension in the email attachment.
- Have you ever gotten an e-mail from a friend with a file extension you may not be familiar with?
- When I try to click these files, a window appears and asks me to select the appropriate file extension.

Definition of file extension in US English:

file extension

noun

Computing

A group of letters occurring after a period in a file name, indicating the format of the file.
〔计算机〕文件扩展名
Example sentencesExamples
- This is done by viewing the file extension in the email attachment.
- The protocol name is simply the filename, excluding any file extension.
- Have you ever gotten an e-mail from a friend with a file extension you may not be familiar with?
- When I try to click these files, a window appears and asks me to select the appropriate file extension.
- My best guess is that Ed has accidentally saved some images with the wrong file extension.

词汇	file extension
释义	Definition of file extension in English: file extension noun Computing A string of characters attached to a filename, usually preceded by a full stop and indicating the format of the file. Example sentencesExamples My best guess is that Ed has accidentally saved some images with the wrong file extension. The protocol name is simply the filename, excluding any file extension. This is done by viewing the file extension in the email attachment. Have you ever gotten an e-mail from a friend with a file extension you may not be familiar with? When I try to click these files, a window appears and asks me to select the appropriate file extension. Definition of file extension in US English: file extension noun Computing A group of letters occurring after a period in a file name, indicating the format of the file. 〔计算机〕文件扩展名 Example sentencesExamples This is done by viewing the file extension in the email attachment. The protocol name is simply the filename, excluding any file extension. Have you ever gotten an e-mail from a friend with a file extension you may not be familiar with? When I try to click these files, a window appears and asks me to select the appropriate file extension. My best guess is that Ed has accidentally saved some images with the wrong file extension.
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