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Questions tagged [file-extension]

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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how to exclude specific file extensions from a shell extension in Windows (7Zip)? [on hold]

I'm trying to make a few shell extensions (7zip, media players, notepad++, etc.) file extension specific or at least extend them (shift). 7Zip in HTML files' context menu doesn't make sense. There ...
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2answers
40 views

How to know, if a file is still compatible, even if you change the extensions manually?

I do have few file formats like .tgpp or .flv or .webm. If I change the file format of a file manually, let say for example from exampleFile.tgpp to exampleFile.mp4V or exampleFile.mp4 it still work. ...
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205 views

Can't change default program for most extensions (Windows 10)

I can't seem to change the default program used to open most file extensions. It's pretty weird. I can edit the default program for .json files and .pdf files, I have found so far. But for .rar files,...
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1answer
392 views

Can't change Windows 10 default file type association [duplicate]

After installing Sublime Text on Windows 10, I can not change the default application for files with the .txt extension anymore. Right-clicking on Context Menu > Open With… > Choose Default ...
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1answer
35 views

Disable “keep using this file” suggestion screen in Windows 10

From time to time Windows 10 "thinks" that I changed my mind and that there is a possibility that I would like to change default program that opens certain files in my computer: This drives me nuts. ...
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1answer
32 views

Find directories /w files with 2 different extensions

So I am trying to think how I can possibly even do this. I can find the files with this for example, but really what I want is the directories specifically that contain both file types. Any ideas? ...
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2answers
38 views

DOS moving specific .xml file extension [duplicate]

I want to move my .xml files from a directory (let's call it "from") to another (we'll call it "to") but using wildcards moves unwanted files like .xml_. How can I move them while being specific about ...
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1answer
208 views

Batch File FOR Loop 7-zip extract specific file extension

I am trying to create a batch file to recursively extract multiple archives in multiple sub-directories from a source directory to an output directory while keeping archive folder structure. The below ...
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1answer
25 views

where do thunderbird / Xcfe get their MIME type handler settings?

In my thunderbird setup (version 60.0 on 64-bit Debian Stretch) PDF attachments are opened in libreoffice showing generally useless gibberish. That is when I double-click. When I right-click, there is ...
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1answer
45 views

Can Files Be Compressed Without Changing Extension?

It's common for web servers to pre-compress their files with brotli or gzip. And they do so without changing the extensions of the files. Is their a way to do this in a typical desktop environment (ex....
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1answer
264 views

Rename files 000…001…002… to 001…002…003

I wanted to download a 50gb file, from an internet archive. It was downloading up to 300kb/s and it was going to take days. So I wrote a script to download the files in chunks, and upload to Google ...
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2answers
78 views

Can I implement IF EXIST with a given file extension?

I'm in the process of making a batch script to autoexecute a program if a given file type (in this case specifically *.iso) is found. Here is the current direction I'm headed: IF EXIST *.iso GOTO :...
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0answers
9 views

Search for web pages having a certain file extension [closed]

I am doing some research and need to have an idea how many web pages in Google Search are static pages (or have .html extension). I cannot find any information on how to achieve this. Any help is ...
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0answers
24 views

Remove default type from Type of File: Adobe After Effects JSON

I have all the JSON files shown as adobe after effects json files. How do get rid of this behaviour? I have tried checking if the default app for extension was set and I have already removed it ...
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0answers
26 views

File possibly 'corrupted' after copying using rsync command in Ubuntu

I used rsync to copy a 19.2GB .pst file (Outlook files extension) from an old hard drive to a new one using rsync -avzPSX Outlook\ Files.pst /media/new_drive. I read that the -z option compresses the ...
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4answers
1k views

How to easily find files with no extension using Windows

I have some files on my Hard Disk Drive that have no extensions whatsoever. It is very hard to find them manually, I really don't like the fact that I would need to replace my mouse sooner because of ...
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3answers
2k views

Is it safe to delete files with extensions containing non-alphanumeric characters?

I was working with Eagle 4.16r2 (Yes I know its old), and when I work on my project in it, I happen to save my work frequently as files with extensions .brd and .sch. I just did a backup and now I ...
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1answer
1k views

What is this .LWT extention

I found a old verbatim usb with nothing on it, however after using recuva on it I was able to pull off a variety of old files, going through the list I found a strange file called _HOTOS.LWT . The ...
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1answer
86 views

Meaning when linux filename autocomplete ends with 'invisible' “\ ”?

Have a file that when viewed in the graphical file explorer or lsed in a terminal looks like "LLCP2015.ASC", but whenever the terminal autocompletes (via tab) a command like less LLCP2015.ASC it ...
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1answer
54 views

How To Open a File with t2s extension

I have been searching to find out more about a file with a t2s file extension, but have not found a lot of information about it. Our electric utility, Eversource, sent someone in town (town employee) ...
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0answers
58 views

What's the `.idx`, `.nr`, `.tit` and `.ini` files?

I downloaded a software, and in its store data directory observed some files with extensions .idx,.nr,.tit and .ini. I don't know what those files are for. Can I extract any data from them ?
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1answer
304 views

Dynamically sort files into different folders based on file extension as they are created

I'm working with an apparel CAD system (Lectra Modaris) that automatically generates 3 files when I save. There is an .MDL file, an .HTML file and and .XCH file. I want the HTML files to ...
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1answer
91 views

How to change file extensions of existing files simultaneously

Is there a way to change the file extensions of existing files (inside a folder) simultaneously? I have a folder and within are different subfolders (nested). All the files are .txt, and I want to ...
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0answers
41 views

How to make a file research specifying the final letters of the file

I need to find a file in a large folder using Microsoft Windows 10. The file is a Matlab script, that has extension ".m". I tried to search using "*.m", but the problem is that in such case the ...
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0answers
45 views

Delete files with blank extension [duplicate]

I extract an archive that have files like: "hi." (there exist a '.' but no extension). Now I cannot open and delete dat files and every folder that contain that files (gives the error that the file/...
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1answer
35 views

Windows 7: automatic file extensions

I have two accounts A and B on the same windows 7 machine. I log into account A and open a program (this happens in multiple programs, not only 1 specific program). I click on "save as" and choose "01....
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1answer
6k views

What is mlv video format? How can we open mlv file?

I recently downloaded a trial version of a proprietary software which contained videos. All the videos were of mlv format and could be opened through the application. But no other video player was ...
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0answers
46 views

Windows make a default program for pattern of file extensions

How to make a default program for pattern of file extensions in Windows? Specifically, I SSH into a Linux cluster to run job scripts and there is information in a file of the form JobName.o#### ...
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1answer
501 views

How to batch remove file extensions on mac using csh or bash?

I wrongly added .dcm extension on all files on my Mac, which resulted in failure to log in on my iCloud and the storage of my key chains. Having been so desperate to find out a solution to restore ...
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0answers
820 views

What is inside a .lnk file? How does it work?

I noticed that windows does not show the size of folders, however the size of files. Creating a shortcut however seems to create a new folder by the looks, however it shows that it is actually a file, ...
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0answers
117 views

Where can I find information about the .hawk fomat? [closed]

I've been picking up Python, and my google searches keep directing me to Oliver Fromme's pages on secnetix.de, where all the pages have the .hawk extension (e.g. http://www.secnetix.de/~olli/Python/...
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1answer
249 views

Cmd.exe - what do these symbols mean in ftype command?

Just trying to understand something here.. In playing around with file extensions, type assoc .bat and get .bat=batfile, then ftype batfile and get "%1" %*. The same happens with ".exe". Whereas when ...
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2answers
2k views

Howto associate file extension in browser?

we hv a program that is associate with the '.test' file extension. it works fine in Windows, but it will not work if we upload(the 'clickme.test') to the internet and open it inside the browser(IE/...
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0answers
31 views

Setting a default program for extensionless files [duplicate]

I'm using Windows 8.1. To open extensionless files, I have to double click/right click -> Open With on the file, then scroll down until I find whatever it is I think I need, usually notepad/notepad++,...
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1answer
56 views

How to open '.flh' file?

I have an animation (gif) in a .flh extension. It's being used by a game I'm rebuilding. Unfortunately, I cannot find any way to open it. I tried VLC Media Player and Gimp and was looking for a ...
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2answers
1k views

How can I add default preview for files in Explorer?

If I click on a .ts (typescript) file and activate the Preview Pane in Windows Explorer, then I see a preview of the file: Why? Because I set Notepad to open .ts files. But I have .js files which I ...
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1answer
892 views

Explorer tells me that 'There is already a file with the same name in this location', but there isn't

When I tried to rename a file(the extension was some random text, Windows Disk Check caused it) in Windows Explorer, it told me that there's another file with the same name in the same location, as in ...
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0answers
483 views

Can't associate SSMS 2016 to .sql Files

I recently installed SSMS 2016 on my windows 7 machine. When I view a directory of .sql files, I notice that they all have a text file icon image for them and the file type is simply "SQL File". ...
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0answers
18 views

Disassociating Notepad with Exe [duplicate]

I opened a program (.exe) with Microsoft's Notepad, just to see what would happen, and apparently all .exe files now open with Notepad. How do I fix this? Even explorer.exe now opens with Notepad. I ...
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1answer
2k views

Convert file from .img to .bin

I need to convert an img file to a bin one.I have tried with power iso but nothing.I also used any burn but it gives me an error.How can I convert the file?
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1answer
69 views

Can I configure my .cshrc to ignore all files with a certain extension?

For the most part, I really don't care whether *.pyc files exist. I don't want them to show up when I do ls. I don't want them to be part of tab-completion. Basically, I want my shell to treat them ...
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3answers
678 views

Rename Application option in “Open With” menu

So I don't want to change the default program that opens the file type. Problem Right click → open with → photoshop But which one is the 64-bit version? Maybe if I go to Choose default program I'...
1
vote
1answer
487 views

Exclude all variations of file extensions with Robocopy

Robocopy seems to sometimes automatically wildcard file extensions when filtering. For example, using ".m" gets "filename.m" and not "output.mat". However, ".txt" gets "filename.txt" but also "...
6
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2answers
1k views

Changing icons for protected file extensions in Windows 10

The goal is to get .jpg, .png, .tif, and .raw files to always open with Photoshop CC 2015 and use their appropriate icons. You can refer to the flowchart below about how Windows 10 chooses an icon ...
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2answers
953 views

How to add missing file extensions for multiple files using ExifTool in Windows

I lost only the file extensions at the end of the file names for a few thousand .docx and .pdf files. So how do I attach them in one batch at the end of the existing FileName using ExifTool ? Note 1. ...
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2answers
375 views

CTRL + A to select a whole file name doesn't work for icons on the desktop

I want to rename a file with its extension using CTLR + A to select whole name, but it doesn't work on the desktop. I'm using WIN7, and this process just doesn't work when a file is on my desktop.
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1answer
27k views

Search for files with a specific file extension in Windows 7 [duplicate]

In Windows Explorer, I would like to search for all files in a specific folder and its subfolders with the file extension .doc. To do that, I tried to enter .doc in the search bar on the top right of ...
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1answer
331 views

Hide File Extensions Only On Desktop

Is it possible to hide file extensions only on a specific folder? (Desktop in my case) I want all the extensions to be shown on my PC but I have a few programs that are only an exe file without an ...
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0answers
46 views

Can you identify what this file is?

I was trying to reduce some disk space on on my external hard drive and I found a New folder with a file in it. the file was with the name "store" and no extension. The size of the file is 5.24 GB. ...
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0answers
86 views

How to open .rttm files?

I got sent some .rttm files a couple days ago and don't know what I need to open them. Any help would be appreciated. Thank you! (I did ask the sender, but they haven't responded and I want to be able ...