Import Project and Tasks not working ... missing End Date, Billable, and Time Estimate

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Post Title: I’m trying to import Project and Tasks, but not all fields are being imported (ex: End Date) although not causing an import error), and other fields are not working and causing an import error (ex: Billable, Time Estimates)

Your Question/Topic: The help document is not clear on what fields I can import and what fields I cannot import, at least how I read it, resulting in me testing, erroring, tweaking, and repeating this process. Frustrating.

I’m trying to import Projects and Tasks. The current csv file layout and content are follows below. I can’t figure out why the email address is needed. Regardless, the End Date does not import, although no import error); I’m also trying to set Billable (false/no), the project time estimate (13 hrs), and Privacy (Public). I can’t find any help on what fields I can and cannot import, and what the format needs to be. Any help is greatly appreciated.

Project,Start Date,Start Time,End Date,End Time,Duration,Billable,Client,email,Task
2603147AB1M - BRC1,2026-03-13,6:00:00,2026-03-14,23:00:00,06:45:00,FALSE,7MF-A,info@zzz.com,BRC1 - Class1 (S+R) - 6.25
2603147AB1M - BRC1,2026-03-13,6:01:00,2026-03-14,23:01:00,06:45:00,FALSE,7MF-A,info@zzz.com,BRC1 - Class1 (S+R+EODWU) - 6.75

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I understand your frustration with the import process. Unfortunately, the knowledge base articles provided don’t contain specific details about which fields are supported during imports and what formats are required for each field.

What I can tell you is that import functionality exists in Toggl Track, but to get clear documentation on supported fields for projects and tasks imports (including whether End Date, Billable, Time Estimates, and Privacy settings can be imported), you’ll need to refer to the Import & Export section of the Toggl Track help center, which should have the most current and detailed import specifications.

Since you’re experiencing both silent failures (End Date not importing without error) and errors (Billable and Time Estimates causing import failures), it sounds like there may be formatting or field compatibility issues that would be best clarified with the complete import documentation. I’d recommend checking if there’s a specific CSV template or format guide available for project and task imports in the help center.