Download and install the software MS Office. It has a trial expiration, so you do not have to purchase a license for namegenerator use.
Right-click the mouse on the file containing the text in the encoding you want to change, and then select "Open with Microsoft Word". This item may not be if the program was installed recently and it has not yet been performed of the Association of file types. You can also simply open Word, and go via the menu "File" just choose the documents you need. If it was previously saved is not the standard encoding of Windows, the program will offer you the options of mode open, select those you need and click "OK".
Click on the menu item "File" in the program. Select "Save as...", define in the resulting window, the directory location of the new document in a new encoding, enter its name and click "Save". You will have a window attributes file, check the encoding value. The most convenient and "readable" is considered to be Unicode.
Keep in mind that the document is stored in the location of the source file with the same name will overwrite the original version without the possibility of recovery. If you need both text files in different encodings in the same folder, simply change its name.
Be careful not to confuse the extension – set only .doc, if you want to save the document for later reading by using old versions of Word. docx for version 2007 and later. If you save the file in docx format, you will not be able to open it by MS Office, released earlier in 2007, but doc files are readable by all Word versions. Also later versions of the program can support character sets that are not in the previous one.
Make sure that the problem lies in the encoding, not the lack of certain fonts.