| File Extension: | FTW |
| File Type Description: | Family Tree Maker File |
| File Type Developer: | Ancestry.com Inc. |
| Primary Associated Software: | Software MacKiev Family Tree Maker |
| Primary Software Developer: | Ancestry.com Inc. |
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The FTW file extension is a Family Tree Maker File file developed originally by Ancestry.com Inc. for Software MacKiev Family Tree Maker. Our internal web tracking data indicates that Windows 10 operating system users, and those living in United States, are the most likely to use Family Tree Maker File files. In most cases, these users are surfing the internet using the Google Chrome browser.
 | Software MacKiev Family Tree Maker by Ancestry.com Inc. |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .FTB | Ancestry.com Inc. | Data Files | Family Tree Maker Genealogy Data |
| .AFT | Ancestry.com Inc. | Data Files | Family Tree Database |
| .FTMB | Ancestry.com Inc. | Backup Files | Family Tree Maker Backup File |
| .FTM | Interscape | Audio Files | FamiTracker Module |
| .FBC | Ancestry.com Inc. | Backup Files | Family Tree Maker For DOS Backup File |
| .FBK | Microsoft Corporation | Backup Files | Microsoft Dynamics NAV Backup File |
| .LBA | ShopTalk Systems | Data Files | Liberty BASIC Source Code |
| .IFN | WaveMetrics | Data Files | IGOR Pro Formatted Notebook File |
| .EMD | FMJ-Software | Audio Files | ABT Extended Module File |
| .AST | Apple | Data Files | ClarisWorks Assistant File |
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