If you want to share it with others, a common file format is necessary.
If you want to store it in an uncommon file format, you would have to buy a special program to generate the file, and then to read it later. Also, if the computer became damaged, you might have to restore the special program, and it is very common for people to loose their installation media, and not be able to reinstall software, so you would not be able to retrieve the data.
.txt .doc .docx (Most common)
Storing text
The list of file formats that support text formatting would most likely number in the thousands or even tens of thousands. Common examples of file types that support text formatting include RTF, HTML, Microsoft Word's DOC, PostScript, LaTeX, PDF, and Microsoft PowerPoint. In general, any format that supports rendering text to a screen or printer supports text formatting, except for classic file formats, such as TXT (text) files.
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GIF format is limited to 256 colors and is a lossless compression file format, a common choice for use on the Web. GIF is a good choice for storing line drawings, text, and iconic graphics at a small file size. PNG format is a lossless compression file format, which makes it a common choice for use on the Web. PNG is a good choice for storing line drawings, text, and iconic graphics at a small file size. JPG format is a lossy compressed file format. This makes it useful for storing photographs at a smaller size than a BMP. JPG is a common choice for use on the Web because it is compressed. For storing line drawings, text, and iconic graphics at a smaller file size, GIF or PNG are better choices because they are lossless.
unattended
Two examples are Text (.txt) and Rich Text (.rtf)
You can't open a csv file as a jpg file. A csv is a text format for letters and words and a jpg is a graphic format used for photographs, so they are not compatible. They are used for completely different things. You can convert some other graphic formats to jpg but you cannot convert text formats to jpg.
You can create sharePoint document libraries for storing text files. Though libraries support checkin/checkout options, the text editor for .TXT file does not support this. I would recommend using other formats for storing data such as office 2010.1st answer (Create a new document work space) and 2nd answer (view all site content and create a document library)and View all site content and create a document library
You can't. RAR is a compressed archive for storing various forms of data. PDF is a format for a text document.
The types of file formats found on computers ranges into the hundreds, if not thousands. Specific types of files such as documents, webpages, graphics and photos all have their own file formats with varying extensions depending on the program used to create, open or view each individual type of file. A few common file formats for documents are: .doc, .docx, .txt and .pdf. A few common file formats for graphics or photos are .jpeg, .gif, .png, .eps and .tiff.
The answer to this question would depend on the source you are exporting. You can export data from Excel to a text file in a variety of formats. Just Save As and select the format you prefer.