A file extension is an optional alphanumeric identifier which comes after the last found period in a file name. A file extension itself does not define what type of data is in a file, but it does give a hint as to what is *supposed* to be in the file.

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10 views

Multiple extension association

Is there a way to associate an exe to an extension, and another exe when multiple files of the same extension are selected? (e.g.: one mp3 player for a single file, another for a list of files)
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0answers
27 views

How do I open the file with extension .srdt?

Can someone help me out with this. I urgently needed to access a set of files with extension .srdt. I have already tried TrID and it shows the file to be of (zip) type. However I do not know which ...
0
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0answers
40 views

How to change '.py' file from 'PY File' to 'Python File' in Windows? [duplicate]

I want to implement drag and drop of files onto a Python3 script. I noticed that my Windows7 64bit does not recognize '.py' as 'Python File' but as 'PY File' (Windows is just capitalizing the file ...
0
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1answer
19 views

How to set a default Application for an File Extention in Windows 7?

How to set a default Application for an File Extention (for example *.aaa , *.bbb , *.ccc ,...) in Windows 7
1
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2answers
67 views

right click on program > “%1” %* instead of run

I have windows 7 and downloaded a program (.exe possibly containing a virus), but didn't install it. Then I right clicked on the program > open with > notepad (always use this program not selected), ...
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2answers
105 views

How can I convert prnx file to excel?

I have sales reports with a .prnx extension. I want convert them to Excel format. How can I do this?
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1answer
50 views

What is .zix type of file and how to open it?

I am having a tough time searching through internet , "How to extract a .zix file ?". I herd of winzix but that's more of a BAD - ware (virus, adware ,...etc) then, after a real hard time I found ...
1
vote
1answer
18 views

Autofix file extensions based on content

Is there an app/script what will peek at file content and try to guess the correct file extension? I have a bunch of files recovered from a backup and it's a mix of images, videos and documents. The ...
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2answers
41 views

How to get a text list of files names in a folder in windows

I have a folder that has different file formats, is there a way to get all the files names and their extensions at once instead of copying and pasting
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0answers
35 views

Can't un-associate .css extension from Visual Stdio 2013

In - Control Panel\Programs\Default Programs\Set Associations under .css file , it has Microsoft Visual Stdio 2013 as Currect Defualt - I try to change its current default under the Change ...
2
votes
1answer
34 views

Windows - don't hide file extensions of certain types

I want to hide all file extensions except for certain extensions/types. Is this possible? I don't like the clutter of file extensions but as a developer I find it helpful to know the extensions of ...
1
vote
3answers
46 views

moving a file based on its extension in BATCH

I am making a batch script to move files based on their extension, so for example: video.avi would go to Videos text.txt would go to text files I am using the drag and drop technique of getting the ...
0
votes
1answer
61 views

Add context menu items to specific file extensions

I think the title says all I want: I want to add context menu items for a specific file type like the yellow marked ones in the screenshot. Which registry changes do I have to make? In my case I want ...
0
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1answer
902 views

Windows 8.1 won't start a file extension using a .jar file, eventhough it's possible in windows 7

Here is a picture of the file i want to open, and the program i want to open it with. If i just click the jar file, it opens my program smoothly (I made that java progrma my self), no questions ...
0
votes
1answer
80 views

How to extract the filename without the extension from a full path?

I'm trying to right my first bash script, and at one point a filename is passed to the script as $1. I need to extract the file name without the extension. Currently, I'm assuming that all extensions ...
1
vote
1answer
60 views

What are the default programs to open docx, PDF and ZIP files on OS X?

I'm writing an article about DOCX, PDF and ZIP extensions. But first, I need to know the programs which are used to open these extension as default (without any third-party applications). I don't ...
0
votes
1answer
61 views

How to associate a file extension to be opened with a batch script?

I want to get rid of OSPPSVC (Office Software Protection Platform Service). Then, I have replaced the links to open Office programs with a link to launcher.bat: @echo off title Launching Office... ...
0
votes
1answer
105 views

Intellij 12+: is there a way to set default code style?

I work with a lot of javascript files that are not suffixed by ".js", so Intellij renders no code style at all (no coloration or auto-complete) unless I put <script> tags around the code (which ...
2
votes
1answer
47 views

What is the file name + extension for a file with a period as the first character (example: .txt)?

I'm trying to find an authoritative answer on this matter, but it's difficult. Wikipedia kind of dances around the issue but isn't explicit enough. For .txt (to use an example), is the base name ...
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0answers
23 views

Linux - How to change default application for text files with custom extensions?

I do some creative writing and use PyRoom for most of my drafts. I want to save my drafts with a custom extension story(i.e. Persuasion.story) and associate story extension to PyRoom. I want to, ...
0
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1answer
17 views

Is there any kind of file that can hold calendar information (appointments or so)?

I am looking for a type of file that can hold calendar information (such as appointments) and when opened by a calendar application (such as outlook or similar apps) either on desktop or mobile it ...
0
votes
0answers
81 views

Double extensions and FLV thumbnails not appearing

I'm using Windows 7 and have recently used Icaros successfully to get all thumbnails to appear. I did a clean reinstall a few weeks ago and have since not been able to get .flv thumbnails to appear by ...
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0answers
1k views

Virus changed some folders and files' extensions to .exe

A virus changed all folders and some of files on my USB flash drive to .exe files. I scanned the flash drive with USB Disk Security and scanned my computer with Microsoft Security Essentials, deleting ...
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0answers
41 views

Zim viewer browser extension

I spend several hours on Wikipedia every week and I love their little software called Kiwix that allows me to see their content offline, especially because my ISP sucks. The only possible way for me ...
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3answers
4k views

reset file associations to default (idx opens w/ winRar)

Does anyone know how to set file associations back to default on windows 8. Currently the file extention "idx" is opening with "winRar" & i want to reset it back to "unknown program".
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1answer
676 views

What file extensions does ffmpeg support?

I'm trying to extract a subtitle from a Blu-ray disc and it is an hdmv_pgs_subtitle. So I try ffmpeg -i file.m2ts -map 0:3 -scodec copy rip3/test.sub and get Could not write header for output ...
0
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1answer
673 views

How do I add file types to Windows 8 “File Associations”?

I am trying to associate .scss files with my text editor, but the file extension is not listed under Control Panel > Programs > Default Programs > Set Associations How can I set this ...
2
votes
1answer
234 views

Custom Windows Configuration Batch File

I'd like to configure myself a one-click configuration windows script. However, I really don't know where to search for the lines to edit in the registry. I've found some things (such as UAC ...
5
votes
2answers
209 views

How can I associate multiple context menu types for one file extension in the registry?

I want to add custom context menu options for certain file extensions (like .zip-files) for a program I'm developing. However on many (but not all) PCs my software is going to be installed on 7-Zip is ...
6
votes
3answers
1k views

What in the world is a .el8 file?

I am taking an online Latin class, and they gave me a video to watch. A .el8. What? el8? I have never heard of that in my life. It's supposed to be a video, so I tried renaming it to a .mov (Latin ...
0
votes
2answers
359 views

Remove a file extension case-insentively in Bash

I want to remove the suffix of a file by using basename in a Bash script. The command removes the suffix only in a case-sensitive way though. How can I remove a extension case-insensitively?
0
votes
1answer
480 views

How to make Internet Explorer not open extensions

So, I had been using Notepad++ to open many be files - say, .txt, or .log, for example. And that is how I like it. One day, though, internet explorer suddenly started opening them, which I most ...
0
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1answer
95 views

Video - How to open .a Video format?

I downloaded several files from Video-Sharing websites (Like YouTube and others) with IDM which is downloaded Completely. But the Extension of these videos are .a. I Changed extension to .webm, then i ...
0
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1answer
25 views

How to Edit an non-extension Picture?

I have an open source application that i can edit any files on it. Now i want to edit some pictures that have no Extension! (Just the picture name can shown). and when i open them with any ...
1
vote
1answer
360 views

Setting default action for new file extension

I wanted to create my own file extension and set two actions possible to do with the file. Here is .reg file I created: Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\.dls\] @="DLSource" ...
0
votes
1answer
286 views

How to set the default program without the program's icon for an extension

This might not be the best place to ask, but how can I set the default program for an extension while using a custom icon handler from a dll? I used this tool to show an apk's icon in explorer. I also ...
1
vote
1answer
93 views

Edit Context Menu of Specific File Extension, and Exclude Entries From the * (All Files) Context Menu

I would like to create an entirely unique context menu for a specific file type. I have added all the items I'd like to add to the context menu, but I don't know how to remove existing ones. I'd ...
0
votes
1answer
119 views

Reading a disk image without extension

I have three files that are supposed to be disks image with a .img extension. However, when I look at their properties, Windows says that it's just a file, without any extension. I tried to manually ...
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votes
2answers
2k views

file extension not valid . when it is

I can't open a excel file on my home computer. Every other computer I use opens the file apart from this one I use at home . I get a error message - financial.xlsx format is not valid. This is ...
37
votes
13answers
9k views

Does it make sense converting a file to a higher audio bitrate?

When a certain file (mp4, flv, etc) has a 95 kbps audio bitrate - does it make sense outputing to a higher bitrate when converting to mp3 or other format (be it lossy or not)? Would this result in ...
0
votes
1answer
197 views

How to run a file as executable with a different extension?

After taking a look at the listed processes in Window's TaskManager, I've noticed that there are some process that has a different extension other than .exe. I then opened the folder location of one ...
0
votes
1answer
287 views

How can I configure my mac to open files that have no extension in Sublime Text 2 (or another editor) [duplicate]

I want open ~/.profile to open my .profile file in Sublime Text 2. I know how to do this with .txt files for example, but I can't figure out how to do that with files that don't have an extension.
0
votes
2answers
128 views

How do I fix .lnk files on windows vista?

How do I fix .lnk files on windows vista? Sticky Notes and Windows Journal don't seem to work any more (apparently it's anything with a .lnk file extension). I already tried system restore, and even ...
2
votes
1answer
351 views

osx - stop xcode from opening ruby files

I have set my favorite text editor as the default application to open ruby files (.rb extension) multiple times by following Open With -> then Other... then I click the checkbox Always Open With. ...
0
votes
1answer
143 views

Default file extension for picture downloads on Chrome?

My google chrome will only save pictures as KanKan (then there's some Chinese: 图秀 or something) How do I get it back to .jpeg as a default? (the drop-down menu only says "all files")
1
vote
1answer
79 views

In the “open with” dialogue: quotation mark after an extension?

If you go to any "normal" file in windows, right-click on it, you get a menu item called "Open With..." The way it's supposed to work is, you're presented with a pop-up that offers you common ...
1
vote
1answer
25 views

What is the type of files I get when downloading the source code of .NET Framework?

I want to download the source code of .NET Framework 4. From the official website, I get the files with the extension .aspx; WinRAR is pretending that those are broken CAB files, and Windows won't ...
0
votes
1answer
175 views

Open .tdt files in Excel by default

I routinely use Excel for TDT and other formats. I've never had a problem getting Windows to open .tdt files in Excel by default; in Windows 7, it's right-click | Open with | Choose default ...
0
votes
1answer
98 views

Unselect the file type when renaming files in XP [duplicate]

In Windows XP the file extension gets selected when renaming a file. If I choose to add that extension to the Known filetypes, it doesn't show the extension but the file type still changes. For ...
5
votes
1answer
882 views

Open file with default program from command line

If I click on a file in a GUI file explorer, a default program is used to open it. This is useful for files which I don't know how to open from the command line. Is there a way to open a file with ...