Having problems opening a adf file?

Find out what programs can help open, view, play or convert your adf files.

Opening adf files
ACT! Data File

Did your computer fail to open a adf file? We explain what adf files are and recommend software that we know can open or convert your adf files.

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What is adf file?

Database file created by ACT!, a customer relationship management (CRM) application; contains customer contact data such as names, email addresses, business information, and the relationship history; used for customer relations information in a structured format. ADF files are saved with an .ALF lookup file, which contains metadata required to navigate, backup, and restore the ACT! database. ADF files may also be archived within ACT! database backups, which use the .BAK extension. NOTE: ADF files use Microsoft SQL Server formatting and are similar to .MDF files.

Software that will open, convert or fix adf files

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