By default, Windows hides the extensions of files when viewed in Windows Explorer and on the Windows desktop. You may unhide all known file types by opening Windows Explorer, selecting Tools > Folder Options, clicking the View tab, and removing the checkmark to ñhide file extensions for known files types.î
By default, Windows hides the extensions of files when viewed in Windows Explorer and on the Windows desktop. You may unhide all known file types by opening Windows Explorer, selecting Tools > Folder Options, clicking the View tab, and removing the checkmark to ñhide file extensions for known files types.î
If you don't see your extensions, this is because by default XP hides them (stupid if you ask me). In Windows Explorer (not IE) go to Tools|Folder Options... and in the "View" tab, uncheck "Hide extensions for known file types." Then you can change it just by renaming the file.
From windows explorer, click the 'Tools' menu and select 'Folder Options.' On the 'View' tab, uncheck the box that says 'Hide extensions for known file types,' and hit 'OK.'
Right click the file and click properties or you can go into the folder settings and tick show file extensions which will show the full name in Windows Explorer
So programs (and programmers) know what type of file they are dealing with. Windows needs to know so that if "clicked on" in Windows Explorer , it knows which program to start so that it can correctly process the file.
There are no set file extensions for an ASCII text file, however one that is commonly used is .txt
Similar question has been answered here:What_is_the_file_extension_for_Microsoft_excel_file
Different file types have different file extensions. This is the three letters, after the dot in the file name. eg. *.exe is an executable file *.doc is a document file, used by windows Word. *.txt is a text file, opened by various word processors or notepad. Windows keeps a list of known file extensions and open the appropiate program when the file is clicked on. If windows does not know what to use to open it, it will have a generic icon and will prompt you for a program to open it, when you click on it. Be aware that Windows can hide the file extensions, so you won't be able to see it in file lists. You can change this. In explorer, click on 'tools' at the top of the window, then 'folder options', then 'view'. Down the list, you will see a tick box that hides known file extensions. Un-tick it, to see extensions in file lists. On the next tab 'File Types', you can see a list of all the know file extensions and the programs they are associated with.
open explorer, click Tools in Explorer, choose Folder Options.., on View tab scrol down till you see Hide extensions for known file types - check or uncheck this option.
On Windows, right click the file, select Open With, select Choose Default Program, select Internet Explorer and then select Ok.
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