VMware Player Shared Folders Overview
Learn how VMware Player shared folders exchange files between host and guest systems, including prerequisites, supported guest families, network locations, and file-locking limits.
A shared folder is a host-side directory made available inside a virtual machine through VMware Player. It creates a convenient path for exchanging files between the host system—the physical computer running VMware Player—and the guest operating system installed inside the virtual machine.
The shared location can be a directory on the host's local storage or a network directory that the host can reach. VMware Player presents the configured location to the guest through its shared-folders integration.
What Shared Folders Are Used For
Shared folders allow files to move in either direction:
- Host to guest: Place a file in the host directory, then open or copy it from the guest.
- Guest to host: Save or copy a file from the guest into the shared location, then use it from the host.
- Common working location: Let one or more virtual machines use files supplied by the host when needed.
For example, a user can download a large software installer once on the host, put it in a shared directory, and launch the installer from the guest without downloading it again. The same approach works for operating-system updates, documents, source files, test data, deployment packages, and other large downloads.
A developer might save test input files in a host directory exposed to a Linux guest. The guest application can then process those files while the host retains access to the same location. An administrator can similarly expose a network directory containing deployment files, provided that directory is available to the host.
Requirements Before Using Shared Folders
- Install VMware Tools. VMware Tools is guest-side integration software required for features such as shared folders. It must be installed and functioning in the guest operating system.
- Configure at least one host directory. The virtual machine must be configured with one or more directories selected for sharing.
- Confirm host access to network locations. If the selected directory is on a network, the host must be able to reach it and have any required connectivity or credentials.
The basic configuration has two parts: install VMware Tools in the guest, then select the host directories that VMware Player should expose to that virtual machine. Installing VMware Tools alone does not automatically make a directory available.
Shared Folders Requirements and Limits
Historical Guest Operating System Support Scope
The following list describes the historical supported guest families for the VMware Player version covered by this lesson. It is not a current support statement. Actual availability can vary with the installed guest OS and the VMware Tools version that supports it.
If the guest is outside this compatibility scope, shared folders might be unavailable or might require different integration support. Verify VMware Tools status and the guest's supported integration features before treating a failure as a directory-configuration problem.
File Locking and Concurrent Access
Concurrent file access means that multiple applications or systems open the same file at the same time. A shared folder makes a file reachable from both host and guest, but it does not make simultaneous editing safe.
Do not open the same file in a host application and a guest application at the same time. The risk is greatest when either application can write. Each application might maintain its own file state, overwrite the other application's changes, or leave inconsistent contents. The result can be a conflict, an “already open” message, or file corruption.
- Choose whether the host or guest will edit the file.
- Close every other instance of the file before opening it in the selected environment.
- Save and close the file before opening it from the other environment.
- Keep a known-good backup when working with important documents or project files.
For example, close a spreadsheet on the host before editing that same spreadsheet from the guest. If the file becomes inconsistent, close all instances, restore a known-good copy when possible, and avoid continuing to edit the damaged copy.
Shared Folders Compared With Copy and Paste
Shared folders and copy and paste are separate host-guest integration features. A shared folder provides a persistent file location that both systems can access. Copy and paste transfers clipboard contents, such as selected text or sometimes other supported data, between host and guest. Enabling one feature does not mean the other feature is configured.
For a durable exchange location or repeated transfer of large files, a shared folder is usually more suitable than clipboard transfer. For a small amount of text, clipboard copy and paste may be more convenient. See Copy and Paste Feature for that separate mechanism.
Next Configuration Steps
The overview is followed by three practical tasks:
- Enable a shared folder for a virtual machine by selecting a host directory and configuring its availability.
- Locate and use the configured shared folder from a Windows guest.
- Locate and use the configured shared folder from a Linux guest.
Before performing those tasks, confirm that VMware Tools is installed. The relevant installation guides are Install VMware Tools in Windows and Install VMware Tools in Linux. For a broader description of the integration package, see VMware Tools Overview.
Troubleshooting Checklist
The guest cannot use shared folders
- Confirm that VMware Tools is installed and functioning.
- Confirm that at least one host directory is configured and enabled for the virtual machine.
- Verify that the guest operating system falls within the historical compatibility scope or otherwise has supported VMware Tools integration.
A network-based shared folder is unavailable
- Test the network directory from the host first.
- Check the host's network connectivity, mounted resources, and required credentials.
- After host access works, check the shared-folder configuration for the virtual machine.
A file is reported as already open or becomes inconsistent
- Close the file in both host and guest applications.
- Use only one environment for editing at a time.
- Restore a known-good copy if file corruption occurred.
Exam-Relevant Notes
- A shared folder is a host directory exposed inside a guest virtual machine.
- VMware Tools is a prerequisite; selecting a host directory is also required.
- A network directory can be shared only when the host can reach it.
- Shared folders support host-to-guest and guest-to-host file exchange.
- Do not open the same writable file simultaneously on host and guest systems.
- Shared folders are distinct from clipboard copy and paste.