Run STRUCTURE and look at your 'Results' folder.
ZIP all of the results files in your folder into one zip archive. If you are using Winzip, choose "legacy compression" to ensure the Harvester can expand your archive.
Here is an example infile.zip for you to evaluate.
Click on the "Choose File" button to the left (it may be labeled "Browse" by some browers,) and select your archive.
Jakobsson and Rosenberg 2007. CLUMPP: a cluster matching and permutation program for dealing with label switching and multimodality in analysis of population structure. Bioinformatics 23(14): 1801-1806. CLUMPP. link.
Evanno et al., 2005. Detecting the number of clusters of individuals using the software STRUCTURE: a simulation study. Molecular Ecology 14 , 2611 - 2620 link
Earl, Dent A. and vonHoldt, Bridgett M. (2012) STRUCTURE HARVESTER: a website and program for visualizing STRUCTURE output and implementing the Evanno method. Conservation Genetics Resources vol. 4 (2) pp. 359-361 doi: 10.1007/s12686-011-9548-7
Sorry, the online Harvester won't accept archives larger than 50 MB.
If you cannot reduce the file size, please try the stand-alone version, available here.
Please select a file to process and try again.
The extension of the file you selected is not ".zip". Please select a ".zip" file and try again.
Here is an example .zip archive.
You didn't really think this would work, did you? ;)