To enable them to be used by other applications. If you want to get the data from a spreadsheet into a database, it may need to be converted. If it needs to be used on a different operating system, it may need to be converted. It may be converted into plain text so it can be read for example.
You need to convert it. Formats need to be converted to change between file name extensions.
Excel is not a file, but a computer program that makes spreadsheets.
PSP Video 9 converts videos from various file formats to a format that the PlayStation Portable can play. Some of the formats it can convert are xvid, avi, divx, and mpeg. These formats are converted to either MPEG-4 or H.264.
Output formats are basically file extensions. This includes files that have been converted, or are still in their original formats. Some output formats include mp3, jpeg, gif, tif, pdf, exe, wma, wmv, mov, rm, and countless others.
It may be .ods, .ots, .sxc, .stc, .dif, .dbf, .slk, .csv or .uos. All these file extensions are of the OpenOffice Format and if your question is what formats OpenOffice supports then, including these formats it also supports: .xls, .xlt and .html formatted Excel Spreadsheets.
You can use various online free software that can help you convert PDF to various formats including document and excel. To use the software, you can upload your excel file on the website, the website converts it into the desired format and emails the converted file or you can download the converted file from a link.
surf to http://www.fileinfo.net/extension/crd and you will find programs which can open these files and possibly save them to other formats.
After file is converted to what? What you mean by file is converted? If you have file saved in format that supports layers you can edit it.
GstarCAD can export: DWG, DWF, PDF, WMF, BMP, EMF, SVG and OCF file formats. You can also open and save DXF, JPEG, TIF, PNG, GIF file formats.
Compatible formats are the file name extensions that are used in a particular program.
http://makesite.in/supported-youtube-file-formats/
It depends on what application you are using. To see the file formats available for your particular application, you can select File > SaveAs and look to see what formats are available. Some applications have an export function, instead of SaveAs.