For questions relating to file-formats. This is a general tag, please consider using the actual file-format your question relates to as a tag instead.

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3
votes
2answers
2k views

How do you convert many files from .xlsx to .xls?

What is a way to convert a batch of .xlsx files to .xls format? I would prefer it to be a command-line solution, but anything is better than opening each manually, and manually saving in the new ...
-2
votes
3answers
1k views

I cannot download torrents any more! Files I download from torrent sites have the extension .exe

I recently tried to download a few torrents from various sites and found that the file extension of all the files I try to download is .exe, which neither transmission nor vuze nor I know what to do ...
4
votes
2answers
8k views

Why is it possible to convert a file just by renaming its extension?

When you rename files into a different, most of the times it does not work. But, suppose you have a .png file, you can just rename "image.png" to "image.jpeg" or "image.gif", it automatically gets ...
8
votes
2answers
2k views

Native Flac .cue splitter

I have some .Flac albums I ripped as one big file to save some space (Lossless CD rips are roughly 500mb each), now I have more storage I would like to split them back to there original files. Is ...
5
votes
3answers
7k views

How to open .xmi files

Is there any app that can open .xmi files in Ubuntu? File created in the XMI (XML Metadata Interchange) format, an XML file format most commonly used for exchanging UML diagrams; stores model design ...
2
votes
2answers
5k views

Mounting Disk Image in Raw format

While trying to mount a disk image in Raw(dd) format using the following command mount nps-2010-emails.dd /media/manu/ I get the following error message mount: you must specify the filesystem ...
8
votes
2answers
18k views

How to extract files from a split 7zip archive?

I downloaded a series of packages that all compress one thing. The files end in .0, .1, .2, etc. The User Lists of these packages I downloaded say to use the file.bat to successfully extract, or to ...
0
votes
0answers
11 views

Old file How to read DL and GL video file in ubuntu?

I've get some old dos file GL and Dl file how to read them on ubuntu please ?
1
vote
2answers
35 views

Ubuntu doesn't recognize m4a files

I downloaded a few audio files in m4a format from youtube using flashgot plugin in firefox. The files are showing up as unknown, they don't open on double click. I have to manually right click and ...
6
votes
2answers
10k views

Open or convert .cdr files?

I have a scanned image, and it's in Corel Draw (.cdr) format (~6mb). Is there a way to open it, or convert it to something that I can manage? I tried http://filespazz.com/ a few times, but it didn't ...
0
votes
0answers
27 views

Older DVD Formats Not Functioning

I have found that some of my older DVD's are not either loading or being mounted. To be more specific, usually when I insert a DVD it makes some noises and then it shows up as a mounted device in ...
11
votes
2answers
716 views

What are '.save' files?

I have been writing several bash scripts, and I have found that while writing them that extra copies of the files have been created which seem to be identical in contents to the normal files, except ...
2
votes
2answers
116 views

Getting rid of the p7m file extension

The internet has not been helpful this time. I have a zip archive that also has a p7m extension. How can I lose that extension so that I can view the files? Any help is appreciated. Than you!
0
votes
0answers
25 views

Windows 7 can't view files after interacting with them on Ubuntu

I successfully installed Ubuntu 14.04 in a second ext4 partition alongside my Windows 7 partition. The dual-boot works fine, and my Windows 7 behaves perfectly normal. In my Ubuntu, I've been using ...
23
votes
5answers
27k views

How do I view an Outlook .msg file?

I need to view a .msg file. It is an email from Microsoft Outlook. How can I do this in Ubuntu?
2
votes
4answers
129 views

Can the Norton Bootable Recovery Tool read Linux partitions?

I have a PC that I can dual boot between Windows 7 and Ubuntu. If I use the Norton Bootable Recovery Tool to scan the PC for viruses (by booting from the Norton CD), will then Norton also scan the ...
1
vote
2answers
2k views

What programs can display an RTFD (rich text + attachments) document?

Nothing on my Ubuntu 11 system seems to automatically open rtfd files.
0
votes
1answer
27 views

what is Icc pfofile date time?

Please Help me it's very Urgent for me I uploaded my image to http://regex.info for finding exif information because i need the date the image was taken and it found nothing but Profile Date Time as ...
0
votes
2answers
310 views

How to extract CPGZ File

I have a file with cpgz extension and I want to extract it on Ubuntu 14.04. Is there any command that I can extract easily ?
10
votes
1answer
1k views

Force file extension to open with specific app (Extensions like .exe, .jpg, .mp4…)

I have already read the question about Creating .desktop files to use on the "Open with other application" tab but this is not what I want, I want to be able to click on the file in Dash or ...
0
votes
0answers
49 views

Icon theme not loading correctly

Using a new install of Ubuntu 14.04. When I change the icon theme using unity tweak or ubuntu tweak, the icons for the file formats don't load correctly. The folder icons load correctly. AND ubuntu ...
2
votes
2answers
81 views

Same file extension, but different “Type” in file properties!

I have two different files that have same file extensions: *.otf. But if I right click on these two files, Nautilus shows different "Type:" for them in file properties window: One is ODF template ...
1
vote
0answers
92 views

How to assign (set) a MIME type to a file?

Is there any command that could set MIME type of a file? for example: mime --set --MIME="image/pjpeg" filename.jpg
6
votes
3answers
3k views

How to open .arc file

I have a Contacts.arc file which took from a nokia phone as a back-up of contacts.Now my mobile is lost and i want to see some numbers.Is there any application to open .arc file in ubuntu?. I searched ...
1
vote
1answer
42 views

.123 extension doesn't treated as textfile

The file became lotus spreadsheet when the file extension is .123. I want it to be treated as textfile only since the lotus is adding unecessary characters. Edit: It is only adding extra characters ...
0
votes
1answer
24 views

Can't open 32-bit Machinarium - can't read file type

I purchased machinarium and received my download links. The 64-bit version downloaded and opened fine, but the cursor was not aligned with where I clicked. I then checked my system settings and ...
0
votes
1answer
60 views

Convert flac to m4a at 400Kps?

it's worth a try, I love linux and I have so many years using it but now there's only one thing that I cannot do, I have my music collection in flac and I always convert flac to m4a using nero aac ...
0
votes
1answer
120 views

How can I play a rmvb file in ubuntu trusty?

I have an video file in rmvb format, but vlc player and totem crashes when I try to play it. Is there any way to install realplayer on ubuntu, and if not, how is it possible to play this video on ...
1
vote
2answers
44 views

What tools are available for determining a files type other than the file command?

I am trying to figure out how Football Manager reads its save games. The files have .fmc extension and if I run the file command it just returns data. I suspect the save game file is a database of ...
1
vote
2answers
749 views

Accidentally formated external hard drive

Today I was trying to copy some files from my external hard drive (1TB) to a flash drive (4GB) on Ubuntu 12.10. My flash drive contained an operating system, so I decided to format it using the disk ...
14
votes
5answers
21k views

How can I view a Microsoft Publisher .pub file?

I need to view a .pub file. How can I view the file or convert it to a more mainstream format (such as a PDF?)
0
votes
1answer
34 views

How To Replace Deleted File Bytes With Random Bytes

Let's assume that I "erased" some file named important.txt. This file is still exists on the hard drive (invisible attribute changed to true), so what I am trying to do is find the important.txt that ...
3
votes
2answers
2k views

SDHC vs SDXC cards for Linux

I recently bought a Zenbook prime of 128GB and I bought a microSD to SD adapter for macbook air (because of the low profile). It's working great with my SDHC that I had on the phone. I'm thinking ...
0
votes
1answer
63 views

Burn DICOM-compatible CD

I have some images which are in the DCM file format (DICOM image file format). I want to burn them onto a CD disk with DICOM standards (Digital Imaging and Communications in Medicine) using Ubuntu ...
0
votes
0answers
81 views

How to open .rp file type?

During working, there is some file that sounds tramontane to me. That is RealPix document or called .rp file. What is the best free alternative applications can open, create, edit or modify this ...
31
votes
6answers
47k views

How can I open a .dmg file?

I've got a .dmg file, and I can't figure out how to open it. How can I open it?
0
votes
0answers
24 views

Open file with correct program, in terminal, based on extension [duplicate]

Is there any way to automatically open a file with the correct program, when using the terminal? Something similar with double clicking a file in GUI. So for example having a pdf file, not need to ...
0
votes
2answers
113 views

How to make a file extension non-executable?

Yes, I know that I can make a file non executable by setting appropriate permission bits on that file. What I want to do is, making all the files with a certain extension non-executable, So that ...
4
votes
2answers
6k views

Memory stick not formatting?

I have a 8gb memory stick pro duo that is refusing to format or be read correctly. While deleting a file off of it from my Playstation Portable, the battery got accidentally knocked out. Now, nothing ...
2
votes
5answers
9k views

Ext4 file system format drive does not show in Windows 8

To install Ubuntu 13.04 I formatted a drive with Ext4 file system format. After format I can't open the drive from windows 8 Explorer. Whenever I try to open the drive following error shows : Thanks ...
2
votes
3answers
21k views

How to delete all the files with a certain extension from a folder and all of its subfolders?

I want to remove all the .jpg files from my Music folder in order to save room. My Music folder contains subfolders, and I would like to know if there is a command to remove all the .jpg files from ...
-1
votes
2answers
43 views

Listing an empty folder shows two items . and .. , what are they?

When I make a folder test and cd into it, it's empty. However, running ls -la returns: total 8> drwxrwxr-x 2 algosig algosig 4096 august 15 23:09. drwxr-xr-x 41 algosig algosig 4096 august 15 ...
8
votes
6answers
55k views

How do I play m3u8 files?

I would really like to play m3u8 files (more specifically, http://www.nasa.gov/multimedia/nasatv/NTV-Public-IPS.m3u8) but when I try to run it on VLC player, it goes on to multiple .ts files with a ...
22
votes
9answers
40k views

How to play VOB files that were inside a DVD disc?

I just downloaded a DVD which is for a movie. After uncompressing the DVD file I see .VOB, .IFO and .BUP files. If I open the first .VOB file it shows me the DVD menu but I can't interact with it. So, ...
6
votes
3answers
4k views

Opening an .accdb file in Ubuntu?

I've received a Microsoft Access .accdb file (version 2010 I believe) that I need to get some data from. How can I open it in Ubuntu? Is there any tool that would allow me to do so? PS: Read-only is ...
0
votes
2answers
119 views

Formatting USB thumb drives for Ubuntu in Windows

I am having issues getting usb drives to work correctly in Ubuntu and have read various bug reports of certain formats not working correctly in Ubuntu. If I want to format a usb drive from inside ...
6
votes
2answers
755 views

How to open sitx files?

I want to open a sitx file. I tried to open it using Unar and 7zip, but I did not succeed. What is the right application to open sitx files?
14
votes
1answer
749 views

How can I stop Files from oversimplifying file types?

When I sort files by type in Files, both JPEG and TIFF file types are described unhelpfully as "Image". This oversimplification makes sorting effectively useless for me: When writing this question ...
4
votes
1answer
210 views

Mimetype mess after calibre installation. How can I fix it?

I always get text/plain or application/octet-stream when running "mimetype" on all file types. The command "file --mime-type" seems to identify correctly the different file types. For instance, if I ...
0
votes
1answer
800 views

Conversion of disk image from Encase (E01) to Raw format

I am trying to convert from EnCase to Raw format using instructions given on this page. The following takes place: manu@ubuntu:~/Downloads$ ewfexport nps-2010-emails.E01 The program 'ewfexport' is ...