Contact Us

▼Please Read Before Contacting Us
･We would appreciate it if you could check the following Q&A before reaching out.
 For Q&A related to Precena Learning System, click [here].
 For Q&A related to Precena Nest, click [here].
･If you are experiencing system issues, please provide details of the issue along with your usage environment as much as possible:
 OS: Windows or Mac (including OS version)
 Browser: Google Chrome / Microsoft Edge / Safari (including browser version)
 Network: Office / Home (if at home, please indicate whether you are using a VPN)
･If you contact us on weekends, public holidays, or our company holidays, we will respond on the next business day or later.
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Precena closing Dates; 8/8/2026 to 8/17/2026
Please be informed that our office will be closed for holidays from 8/8/2026 to 8/17/2026.
Any inquiries received from 8/8/2026 to 8/17/2026 will be responded to after 8/18/2026.
We apologize for any inconvenience caused.
Sincerely,
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Please provide details of your inquiry. If you are experiencing system trouble, please provide details of your system environment (OS, browser, network) and attach a screenshot of the screen, and we may be able to resolve the problem more quickly.

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