I had some problems like that with Network, that's why I chose to use TCS 1.21 which seems to me more intuitive.

But for those kinds of software, you have to convert your file into a .phylip (sequential) format before using it. You can do it here: http://www.phylogeny.fr/version2_cgi/data_converter.cgi

For TCS, I know that many other details must be checked in the input data file to be sure that it will work.

Don't hesitate if I you need more information!

Dear Maxime,

I prefer TCS too, in fact I use this. But for curiosity I want try Network with this options. After a lot of attempts, I think that if I buy the alignement software of the Fluxus, this problem disappear.

Thanks for all. All the best, Olga

Ah sorry,

I use another converter. Unlike of your, it has more output. This is the link:

http://www.hiv.lanl.gov/content/sequence/FORMAT_CONVERSION/form.html

Bye bye, Olga