You're here because you have a file that has a file extension ending in .da2. Files with the file extension .da2 can only be launched by certain applications. It's possible that .da2 files are data files rather than documents or media, which means they're not meant to be viewed at all.
what is a .da2 file?
The DA2 file format is used by the DeepAnalysis software as a data file, and these files are also commonly called DeepAnalysis save files. These DA2 files are affixed with the .da2 extension and was developed by HammerTap, which also created the DeepAnalysis program. This software is classified as a data research and mining application integrated with features to scrape details of eBay auctions. The content of these DA2 files may include pieces of information like buyer data, auction results and seller information among other relevant market details. The DeepAnalysis software stores sales research details in files with the .da2 extension. Users of computers running on Microsoft Windows-based systems can install the DeepAnalysis application to start accessing the content of these DA2 files and the set of functions integrated into this program for eBay auction data research. The DeepAnalysis software can also be used to produce reports from the details saved in a DA2 file.
how to open a .da2 file?
Launch a .da2 file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .da2 file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .da2 files aren't yet associated with it. In this case, when you try to open a .da2 file, you can tell Windows which application is the correct one for that file. From then on, opening a .da2 file will open the correct application. Click here to fix .da2 file association errors
applications that open a .da2 file
HammerTap DeepAnalysis
HammerTap DeepAnalysis
HammerTap is an ebay research application that lets you determine what to sell and how to generate more sales. The HammerTap services offers free webinars, research tool, profit-increasing articles, and a ten-part course of Power to Profit. It helps you do solid research and not just guesses for your business. It also covers average selling prices, average sell-through rates, effective keywords to use for your title, which category you list in, details about your competition and best starting price. HammerTap gives you foresight about trends on the market, security of knowing the market demand, power to make sound decisions and profit prowess. Power to profit is the ability to determine what your market wants and how much they are willing to pay for it, and for you to make listings of your product offers at higher price for greater profit. Ten Strategies extended by the HammerTap software are: effective listing features, best auction type, busiest hour of the day, best listing duration, optimal ending day, winning titles, most competitive category, seasonal trends, enticing start prices and successful keywords. The software is PC-based supported by other operating systems. You can run it on your Mac through Parallels of VMware fusion applications. HammerTap has a Web-based program that is simpler and will run on any operating system.
Be careful not to rename the extension on .da2 files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.
what is a file extension?
A file extension is the set of three or four characters at the end of a filename; in this case, .da2. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.
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Find and repair file association errors preventing this file type from opening on your computer.