TIP: Run a Free Scan for .ISP File Errors.
Files with the extension
.ISP are known as "
X-Internet Sign-up File".
This file format was added to our database by a visitor to this site, but no additional information was provided.
We have yet to investigate the ISP file extension any further, or there was simply not enough information available at the time to report accurately on the format. If you know how to open ISP files or even how to convert or edit them, please use the form below.
However, it is possible that other file formats exist which also use the
ISP extension, so please
let us know if you do not think the ISP extension matches the file format you are looking for.
 Windows |
 Unknown |
 Mac OS |
Unknown
|
 Linux |
Unknown
|
Additional extension information
| File type: |
Not specified |
| Popularity: |
 Average |
| Author: |
Unknown |
| MIME type: | Not specified |
Other .ISP file extensions
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