File extension UNKNOWN

File extension UNKNOWN 是一個定義檔和它的內容的類型的檔副檔名。

What is an .unknown extension file type, you ask? Well, chances are you never even heard of this file format but that doesn't mean it doesn't exist! The files with the file extension of .unknown are basically not associated any particular type of file, folder, program or software and hence the name ‘unknown' . These are the unknown Windows files which do not consist of a file association. However, these are very rare files and are not witnessed every day. They are generally created by the Microsoft Mail Program. This program is launched as the successor to the Microsoft Outlook program. When the Microsoft Mail receives a file which it is not able to identify, then by default, the extensio n of the file becomes .unknown.

So, why is a file name as .unknown?

The reasons why a file may have the File extension UNKNOWN may be because the file was not properly transferred on the web because it was corrupt. Another reason might be that the file was not uploaded completely and with proper mechanism on the mail. These factors make it difficult for the programs to identify such files. It might be that the file has not passed through the gateway properly. There might be security reasons behind it or even the policies of some companies or associations which purposely block some types of files.

Things to know

If a file gets converted to the File extension UNKNOWN, then it cannot be recovered or viewing the contents of the original parent file won't be possible by any means. An unknown file is of no help as the user cannot retrieve the data lost through it. However, some of these files may open with some of the text editor programs. If this is the case, then the contents of the file can be viewed and edited using a text editor. However, if the files are in the binary format, then opening them with the text editor also will not help.

There is one way of knowing the actual file extension of an .unknown file. It can be done by identifying the unique signature of the file which is included in the file itself. Then, these signatures can be determined through different software online which can tell the exact file extension - even if the file extension is actually missing. Although the files with the .unknown extension cannot be recovered fully; their suitable extensions can be known so that they can be opened with a suitable program later.

混淆約 File extension UNKNOWN?想要瞭解更多關於什麼檔副檔名是 Windows 和電腦是如何工作?你可以通過閱讀我們有關這些主題中我們用新的內容會定期更新的知識庫的知識文庫文章開始。

電腦上的檔一起分組到資料夾中。資料夾可以包含檔或其他資料夾內他們。資料夾説明保持組織的電腦檔。瞭解更多有關檔和資料夾。

檔可以包含不同類型的資訊 — — 文字文件、 試算表與數位、 圖片、 視頻、 音樂、 地圖等......要講哪個檔包含哪些資料,使用的檔副檔名。檔副檔名是之後的最後一個點檔案名稱的一部分。檔副檔名的示例包括 JPEG、 DOC、 MP3、 MP4 等。一個粗糙的比喻將人的姓氏。就像它,檔副檔名用於標識哪個"家庭"的檔,特定的檔屬於。瞭解更多有關檔副檔名。

從電腦的角度來看,所有檔都包含數位只是長的字串。它是電腦的應用 (aka 軟體) 是什麼翻譯這些成有用的數位、 文字圖像和聲音。為了正確地打開該檔,電腦必須使用正確的應用程式是適當的檔案類型 (文字文件為 Word 處理器)、 照片應用程式的影像檔,等等。每個檔副檔名分配主預設應用程式打開它和一些或其他應用程式,使用者可以從中選擇。有關這些任務的資訊存儲在 Windows 註冊表中。未能打開從被損壞的 Windows 註冊表檔往往結果。瞭解更多 Windows 註冊表。

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