2026年版 Small Businessに最適なCloud Storage
OneDrive — OneDriveが勝つのは、ほとんどの中小企業がすでにMicrosoft 365を払っていて、実質無料でネイティブのWordとExcel統合があるから。
料金: $6/user/mo 1TB / $12.50/user/mo with desktop apps
OneDrive
$6/user/mo 1TB / $12.50/user/mo with desktop appsBundled with Microsoft 365, the suite most small businesses already use.
おすすめの理由
Most small businesses run on Word and Excel; OneDrive integrates natively and costs nothing extra.
注意点
1TB per user cap means media-heavy businesses may need supplemental storage.
Google Drive
$7/user/mo 30GB / $14/user/mo 2TBSimple, familiar, and works on every device without training.
おすすめの理由
Zero learning curve for employees; everyone already knows how to use Google Drive.
注意点
Google Docs formatting breaks when clients expect proper Word/Excel files.
Dropbox
$15/user/mo 9TB pooledReliable sync and professional file sharing for client-facing businesses.
おすすめの理由
Branded transfer links and e-signatures impress clients and streamline contracts.
注意点
Expensive per-user pricing adds up fast for 10-50 employee businesses.
Sync.com
$6/user/mo 1TBCanadian-hosted, zero-knowledge encryption for businesses handling sensitive data.
おすすめの理由
PIPEDA and GDPR compliant out of the box; good for healthcare, legal, or financial small businesses.
注意点
No built-in document editing; you still need Office or Google Docs separately.
Tresorit
$14/user/mo 1TBMilitary-grade encryption for regulated industries.
おすすめの理由
HIPAA, GDPR, and SOC 2 compliant; ideal for law firms, clinics, and financial advisors.
注意点
Premium pricing and no free tier make it hard to justify for non-regulated businesses.
評価基準
- ✓Microsoft 365 Business Basic ($6/user/mo)があれば、全従業員に1TB OneDriveストレージが追加コストなしで付属。
- ✓OneDriveはWindows エクスプローラーのフォルダとして表示。従業員はいつも通りにファイルを保存するだけ。
- ✓OneDrive for Businessにはデータ損失防止、保持ポリシー、eDiscoveryが含まれ、基本的なコンプライアンスニーズに対応。