Your Question

What's the best iOS app for automatically backing up photos, PDF files, CAD files, and other documents from my iPhone and accessing them on a Windows computer?

Microsoft OneDrive is an excellent iOS app for automatically backing up your photos, PDFs, CAD files, and documents and accessing them on a Windows computer.

cloud storagefile backupphoto backupcross-platform accessMicrosoft OneDrive2025
Microsoft OneDrive is a great choice for automatically backing up your photos, PDF files, CAD files, and other documents from your iPhone and accessing them on a Windows computer. It allows you to securely store your files in the cloud and access them from any device, including your iPhone, iPad, and Windows computer. OneDrive provides seamless integration with Windows, making it easy to transfer files and keep them synchronized across devices. To automatically back up your files, simply install the OneDrive app on your iPhone, sign in with your Microsoft account, and enable the camera roll upload feature. You can also manually upload files to OneDrive from other apps on your iPhone. With OneDrive, you can ensure that your important files are always safe, secure, and accessible, no matter where you are. This is particularly useful for professionals who need to access project files, plans, markups, and diagrams while in the field.

Key Features

Automatic photo and video backup
Cross-platform file access
File sharing and collaboration
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This is the best app by miles for making sure all .pdf files, plan markups, screenshots, diagrams and e even cad files that I move into project folders on a windows 11 pro laptop are accessible in the field via iOS. Game changer.

★★★★★Verified User Review
iOSUpdated Oct 6, 2025
Microsoft OneDrive icon

Microsoft OneDrive

by Microsoft Corporation

4.7/ 5.0