The system logic to decide what files count against used disk space and what files do not is provided by the File Provider platform, not OneDrive or Microsoft. As per File Provider, files with data in the sync root do not count against your used disk space. If an application asks, "How much space is free on this disk?"

If you don’t have sufficient space, try removing files or apps you no longer need or use Disk Cleanup to free up space. Learn more at Tips to free up drive space on your PC. During the upgrade, you might be asked to free up space on your device or attach an external drive with sufficient space to continue with the upgrade. ... Then select Get ...

Cloud files can exist locally on the disk or be available online only. To choose the conditions for when inactive files are made online only, under Content will become online-only if not opened for more than: choose your preferred amount of time. Note that starting in Windows 11, version 22H2, the default for OneDrive cloud files is to make files online-only if not opened for more than 30 days.

When Windows sends this notification, select the message or go to Start > Settings > System > Storage > Manage disks and volumes, then select Properties for the problematic disk to see additional details. For example:

Windows 10 Windows 10, version 1607, ... Here, the number after “harddisk” and “partition” is the index of the disk and partition WinRE is on. To disable the WinRE, run reagentc /disable. Shrink the OS partition and prepare the disk for a new recovery partition. To shrink the OS, ...

Symptoms. ActiveX is automatically deleted in Windows 10 (x86) when a SilentCleanup task is run. In Windows 8.1 and earlier versions, SilentCleanup was run only when free disk space fell below 10 percent of the entire disk space.However, in order to improve the user experience in Windows 10, SilentCleanup is also run when the system enters the idle state.

To determine if the disk needs to be defragmented or not, click Analyze disk. If you're prompted for an administrator password or confirmation, type the password or provide confirmation. Once Windows is finished analyzing the disk, you can check the percentage of fragmentation on the disk in the Last Run column. If the number is above 10%, you ...

Occasionally, Outlook will store conflicted items in a folder called Conflicts. Conflicts happen when a copy of an item stored on your email server is out of sync with a copy of an item stored on your local computer. The Mailbox Cleanup tool can delete these conflicts for you. Run the Mailbox Cleanup tool. Click the File tab.

A computer virus is a small software program that spreads from one computer to another and interferes with computer operation. A computer virus might corrupt or delete data on a computer, use an email program to spread the virus to other computers, or even delete everything on the hard disk.

To find Sync settings, select Start , then select Settings > Accounts > Sync your settings . Choose from settings such as language preferences, passwords, and color themes. If you turn on Other Windows settings, Windows also syncs some device settings (for things like printers and mouse options), File Explorer settings, and notification preferences.