Files with T99 extension are old tax return files for year 1999 prepared in H&R Block software.

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T99 file extension - Kiplinger tax cut file

What is t99 file? How to open t99 files?

The T99 file extension is reported to have been used by old Kiplinger accounting software from H&R Block for tax return files for year 1999. Obsolete file format.

Help how to open T99 files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension T99:

As far as we know, this .t99 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

H&R Block TaxCut website

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