File Extension D1

File type: Database File

Click here to run a free instant scan for D1 related errors.

Notes about the D1 file extension:

Errors in your registry are one of the common causes for incorrect file associations on your windows system. It is highly recommended that you check your registry for file association errors (will also check for any other registry errors).

The D1 file type is primarily associated with 'Progress' by Progress Software Corporation. Should also be an associated .B1 file.

Cannot access D1 files on windows?

When windows gives you an error message saying that it
"Cannot open D1 files", this means either:

A. You need to identify a program that can open the file
B. Or your registry may be damaged

RECOMMENDED:

In both cases it is strongly recommended that you
run a free scan for registry errors.

File extension: .D1

Detailed information for file extension D1:

Primary association: Progress

Company: Progress Software Corporation

Other applications associated with file type D1:

Unknown Apple II File ((found on Golden Orchard Apple II CD Rom))

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