Acceptable Files for Uploading in eCO

Maximum File Size

The maximum size for each file uploaded in eCO is 500MB.

List of Acceptable File Types

Please review this list before uploading a copy of your work as an electronic file or sending a hard copy via mail. If the type of file you plan to upload or mail is not included in this list, you must convert the file to an acceptable file type.

If you submit a file type that is not listed, the examination of your application will be delayed and you will be required to submit an acceptable file type that can be opened by the Copyright Office. Your effective date of registration will not be established until the Copyright Office receives a file type that can be opened and examined by the Office.

Data .db (Database File)
.mdb (Microsoft Access Database)
.xls (Microsoft Excel Spreadsheet)
Image .bmp (Bitmap Image)
.dwg (AutoCAD Drawing)
.dwf (Autodesk Design)
.fdr (Final Draft)
.gif, .giff (Graphics Interchange Format)
.jpg, .jpeg, .jfif (Joint Photographic Experts Group)
.pdf (Portable Document Format)
.pic, .pict (Picture File)
.png (Portable Network Graphic)
.psd (Photoshop Document)
.pub (Microsoft Publisher)
.tga (Targa Graphic)
.tif, .tiff (Tagged Image File Format)
.wmf (Windows Metafile)
Audio .aif, .aiff (Audio Interchange File Format)
.au (Audio File)
.mid, .midi, .rmi (Musical Instrument Digital Interface)
.mp3 (MP3 Audio File or Layer 3 Audio Compression)
.ra, .ram (Real Audio File)
.rmi (Resource Interchangable File Format)
.wav (Windows Wave Sound File)
.wma (Windows Media Audio File)
Video .avi (audio video interleave)
.mov (quicktime)
.mpg, .mpeg (Moving Picture Experts Group)
.rm, .rv (Real Media File)
.swf (Adobe Flash formerly Shockwave Flash)
.wmv (windows media video)
Text .doc (Microsoft Word Document)
.docx (Microsoft Word Open XML Document)
.htm, .html (HyperText Markup Language)
.pdf (Portable Document Format)
.rtf (Rich Text Document)
.txt (Text File)
.wpd (WordPerfect Document)
.wps (Microsoft Works Word Processor Document)
Presentation .pps, .ppt (Microsoft Power Point)
Compressed .cab (Windows Cabinet File)
.rar (Compressed Archive)
.zip (Zipped File)