Our server is protected against malware and will only accept files that can be processed in a just few seconds.

If your file is larger than 2 megs (implying that you have more than 15000 duplicates) you have two otpions:

If your file is less than 4 megs you can compress your file as a zip file an upload the zipped file.
If your file is more than 4 megs then you need to split your file in 2 text files and upload each one separately.

Please contact us in this case so we can assist you with paying only once through pay pal and having 2 mdeldupfiles created