Sola Fileserver ServiceSFS is a cloud file server for companies and teams, built on Nextcloud. Just sign up and your own dedicated environment spins up automatically.
Add teammates without per-user fees.
Choose a plan based on the storage you need.
No credit card required — start free with 20GB

Everything you need for file sharing, ready to use.
Within minutes of signing up, you get your own dedicated Nextcloud and URL (yourname.sfs.sola.inc). An isolated environment, never shared with other companies.
All data is stored on our own servers in Japan, designed and operated by Sola — a company where 80% of staff are engineers.
No extra charge no matter how many people use it. Pricing is based on storage alone — simple and predictable.
Set expiry dates, passwords, and download limits on share links. Exchange files with clients and partners safely.
One-time-code two-factor authentication is built in, so you can strengthen account protection from day one.
Access from your browser, the Windows/Mac sync client, or the official Nextcloud iOS/Android apps.
From file management to editing office documents — all in your browser.


Start free and add storage only when you need it. All prices include tax; users are always unlimited.
Storage changes are prorated within the billing period. After cancellation you can keep using the service until the end of the current billing period. There are no prorated refunds for mid-term cancellation or account deletion.
Need approval workflows, large capacity, or a security review? Talk to us about business use
SFS is operated by Sola K.K. Company
Your data is stored on servers we operate ourselves in Japan.
Each team gets its own isolated Nextcloud environment, with two-factor authentication and permission- and expiry-controlled share links.
Terms of Use ・ Privacy Policy ・ Legal Notice (Commercial Transactions)
No credit card needed. Your own file server is just a few minutes away.