Tabbles provides a tagging overlay for the Windows file system, making it easier to group files based on their logical relationship to each other, not their location within the disk's hierarchy. The folder/file system has been the default metaphor since the earliest days of personal computing, but with a typical drive holding hundreds of thousands of files, organizing them rationally is difficult. Depending on your needs of the moment, you may want to see all Excel sheets from the past year, or all files related to a single project, or all of the Word documents for the four projects related to a particular client. Tabbles makes it easy to do this, if you use it regularly and with discipline.
Tabbles organizes data into "tabbles": A conceptual holding bin that is part folder and part label. Files are never moved on disk; putting a file into a tabble, or removing it, doesn't change the directory structure. This allows tabbles to be arranged in many ways, in mixed hierarchies, without creating duplicate files.
This document, for example, is put in the tabbles "Writing Work," "PCWorld," and "Tabbles." If I open the "Writing Work" tabble, I will see files for multiple ongoing projects. If I want to see just the work I'm doing on this review, I use the "combine" feature to join the "Writing Work" and "Tabbles" tabbles, and see only the files which are in both. You can also subtract one tabble from another. For example, in my "Writing Work," I might want to remove all files tagged with "PCWorld."
Tabbles 3.0, two years in the making, is aimed more strongly at business and corporate users, though the fact that there's a free version for home and personal use is nice. What isn't nice, at least for those home users, is the need to install and configure Microsoft SQL Server. It's free (the Express version), and the setup is fairly trivial for moderately experienced users, but it's still a bit more of a hurdle than many of those who would otherwise find Tabbles appealing may wish to jump. An alternative option is a cloud service, but this is noted as being slow and unstable. This requirement might discourage users from trying the software, which is a shame.
The SQL Server back-end does make it possible to share a tags database across networks, which I have taken advantage of. I can work on projects on my laptop or desktop and seamlessly add and tag files.
Other improvements in 3.0 include embedding tags in Office file metadata, so that the tags travel with the files. Tagging can be done via right-click menu in Explorer, via drag-and-drop, or via the file browser in the Tabbles application.
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