The phrase "allowed users to extract" is correct and usable in written English.
It can be used when describing a feature or functionality that enables users to retrieve or obtain data or information from a system or application.
Example: "The new software update allowed users to extract their data easily for backup purposes."
Alternatives: "permitted users to retrieve" or "enabled users to obtain".
The conversation turned very interesting when moderator Tantek Celik pointed out a post by David Recordon that showed how Facebook is blocking Google's Friend Connect product, and not allowing users to extract their Facebook social graph through Google.
Google Friend Connect is an API and application that allows users to extract their social graph data from various networks and then use the data in other applications that support the API.
The XEI software allows users to extract several information from the sample surface by utilizing various analysis tools and also by providing the ability to remove certain artifacts from scan data.
Besides their iPhone client, Memonic is working on releasing a Windows clipper that allow users to extract information from any document that can be opened on a Windows PC. "No matter where you can see any type of content you should be able to capture it and work with it" says Birrer.
Google has offered data download features to its online services for a long time, with a dedicated data liberation group set up to allow users to extract data in 'an open, interoperable, portable format' from services such as Google Docs and Gmail.
SCORPION2 has a set of search and prediction tools that allow users to extract and perform specific queries: text searches of scorpion toxin records, sequence similarity search, extraction of sequences, visualization of scorpion toxin structures, analysis of toxic activity, and functional annotation of previously uncharacterized scorpion toxins.
ADAM also allows users to extract the relevant AMP structures according to CATH or SCOP classification by the underneath hyperlinks.
A user-friendly web interface with many graphical tools and functions allows users to extract results, find CRISPR in personal sequences or calculate sequence similarity with spacers.
