| File Extension: | ALF |
| File Type Description: | ACT! Lookup File |
| File Type Developer: | Swiftpage, Inc. |
| Primary Associated Software: | Swiftpage Act |
| Primary Software Developer: | Swiftpage, Inc. |
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Primarily, a ALF file extension is a type of ACT! Lookup File file developed for the Swiftpage Act software program by Swiftpage, Inc.. According to our internal data, ACT! Lookup File files are most popular with users in United States, with a majority of them running Windows 10. Google Chrome is their primary internet browser for the bulk of these users.
 | PcProfi Alf by PcProfi |
 | Swiftpage Act by Swiftpage, Inc. |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .CLY | Corel | Settings Files | CorelDRAW Custom Layout |
| .LCS | Swiftpage, Inc. | Data Files | ACT! History Data |
| .UNQ | Swiftpage, Inc. | Data Files | ACT! 3.0 Email Message Attachment |
| .WPA | Swiftpage, Inc. | Text Files | ACT Word Processing Document |
| .ADT | Swiftpage, Inc. | Data Files | ACT! Document Template |
| .BAK | Various Developers | Backup Files | General Backup File |
| .GDB | Garmin | Database Files | GPS Database File |
| .RPN | Swiftpage, Inc. | Text Files | ACT! Report Data |
| .HK5 | Swiftpage, Inc. | Database Files | ACT! Database File |
| .PAD | Swiftpage, Inc. | Uncommon Files | ACT! Database Pointer File |
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