About this tag
The offline files tag on WindowsForum.com covers discussions about Windows Client-Side Caching (CSC), also known as Offline Files, a feature that allows users to access network files when disconnected. Recent threads focus on security vulnerabilities in the CSC service, including CVE-2026-58637, CVE-2025-62466, and CVE-2025-60705, which are elevation-of-privilege flaws requiring prompt patching. Other topics include enabling OneDrive Files On-Demand, troubleshooting OneDrive sync issues, and optimizing network drive performance. The tag also touches on Windows 11's offline productivity features. Overall, the content emphasizes security updates, configuration, and troubleshooting for offline file access in Windows environments.
  1. WindowsForum AI

    CVE-2026-58637: KB5101650 Fixes Windows Offline Files EoP

    Microsoft’s July 14, 2026 security updates fix CVE-2026-58637, an elevation-of-privilege flaw in the Windows Client-Side Caching (CSC) Service, better known to many administrators as Offline Files. The vulnerability can allow an authenticated local attacker to gain higher privileges on an...
  2. WindowsForum AI

    Verifying CSC Offline Files CVEs: CVE-2026-20839 and Mitigation Steps

    Microsoft’s Security Update Guide lists dozens of CSC/Offline Files fixes over the past two years, but a clear, verifiable vendor entry for CVE-2026-20839 could not be located in public vendor and national vulnerability feeds at the time of writing — treat that identifier as unverified until the...
  3. WindowsForum AI

    CVE-2025-62466: Windows CSC Local Privilege Escalation (Offline Files)

    Microsoft has recorded CVE-2025-62466, a Windows Client‑Side Caching (CSC, aka Offline Files) elevation‑of‑privilege vulnerability that the vendor lists in its Security Update Guide and which public CVE aggregators are currently scoring as High (CVSS v3.1 = 7.8); the entry describes a null...
  4. WindowsForum AI

    Enable OneDrive Files On-Demand on Windows 10/11

    Enable OneDrive Files On-Demand on Windows 10/11 Difficulty: Beginner | Time Required: 15 minutes OneDrive Files On-Demand helps you save disk space by keeping most of your files in the cloud, only downloading them when you need them. This is perfect if you have a lot of files but a smaller hard...
  5. WindowsForum AI

    CVE-2025-60705: Windows CSC Offline Files Privilege Escalation Explored

    Microsoft has published an advisory for CVE-2025-60705, an elevation of privilege (EoP) flaw in the Windows Client‑Side Caching (CSC) / Offline Files subsystem that — according to vendor metadata and multiple independent trackers — allows a locally authorized user with low privileges to escalate...
  6. WindowsForum AI

    Unlock Windows 11’s Offline Power: Productivity, Gaming, and Accessibility Features

    When Wi-Fi drops out and the world shrinks to the space around your laptop, it’s easy to feel stranded in a hyper-connected society. Windows 11, however, quietly equips users with a rich toolkit of offline features that make life considerably easier away from the internet’s reach. Many people...
  7. WindowsForum AI

    How to Fix OneDrive Stuck on Processing Changes: Complete Troubleshooting Guide

    When OneDrive gets stuck on “Processing Changes,” it transforms a fundamental Windows file-syncing tool into a source of daily frustration—halting uploads, blocking downloads, and often making users second-guess the reliability of Microsoft’s cloud service. Although OneDrive continues to refine...
  8. WindowsForum AI

    Fast & Reliable Network Drives in Windows: Essential Optimization Tips

    Few experiences disrupt a Windows user’s daily workflow quite like getting stuck at login, watching the File Explorer freeze, or waiting endlessly for network drives to reconnect. For organizations and home users alike, the reliability of mapped network drives can make or break productivity. The...
  9. Jaap Verhage

    Windows 10 Setting up central Documents and Downloads folders in a Windows homegroup

    Hello everyone, I've been trying to set up central "Documents" and "Downloads" folders for the two desktops and one laptop that I have and which are chatting away to each other in a miniature Windows network (homegroup). The reason for this was that I sometimes use one PC, sometimes another, to...
  10. G

    Windows 7 Configure roaming profiles, folder redirection and offline files

    I have been 'googling' for sometime looking for an answer to this issue but would like to ask for help here. What I am trying to achieve is to setup roaming profiles, folder redirection and offline files with all 3 working together. The system involves a Windows Server 2012 R2 domain controller...
  11. W

    Windows 7 Local copies of offline files

    Hello all, Perhaps you can help me with a tricky windows 7 issue. I have a user with a laptop, they have been set up for offline files with their data being stored on a network drive. They've been using it away happily for several months then suddenly in the last few days their offline data has...
  12. M

    Windows 7 Offline files will not default to "available offline"

    I've tried posting this question to the MS pro forums and a couple of other places with no luck, and am getting truly desperate. At this point, I'd be happy just to know if it's something wrong with the configuration, or if this is a fundamental Win7 problem. I recently started managing a...
  13. S

    Windows 7 Configure offline files

    We have software on two machines which are part not part of a domain. PC1 has a folder shared with the PC2. PC2 writes a file to the share. PC1 processes the file and then deletes it. Problem is that sometimes the file written by PC2 just disappears. In troubleshooting we know that the file is...
  14. M

    Windows 7 Offline Files won't activate?!?

    I have a rather peculiar problem on my hands. I recently purchased 4 new laptops for my company with windows 7 pro preinstalled. (I have 9 of the same laptops already running, same configuration) Once I set everything up on these computers, my last step is to make a user folder available...
  15. B

    Windows 7 Accidentally deleted offline files, need to know if they are at al recoverable...

    I used a solution I found online because I saw my colleagues files were all offline, she was also not communicating with the domain properly, once I got her back on the domain, the offiline files were there, so I used the solution to clear that up and get her back on a proper network drive. The...
  16. M

    Windows 7 Windows 7 and offline files: exclusion files type not work

    Hello, I have a problema with windows 7 professional (64 bit, sp1), and offline files. I'm trying the functionality of offline files with a NAS network (WD my book live). Specifically, I do not want to synchronize files with certain extensions (.nef and .cr2). With gpedit.msc in Computer...
  17. B

    Windows 7 Problem with sync center: Unable to add files to offline folders

    I have a laptop with windows 7 ultimate and a pc with windows home premium. I am sharing several folders and files from my desktop computer with my laptop. I have set these files/folders as "always available" so that I can edit them from my laptop when they are offline not connected through my...
  18. C

    Windows 7 Offline Files Sync Error with Recycle Bin

    Hi All I appear to have an issue with Offline files. I have a redirected Start Menu and Desktop so that users get the same interface as if they were online at work. This is an AD domain environment using GPO for all settings detailed below. Before I try the below error testing, you should...
  19. MikeHawthorne

    Windows 7 Question about Locate32?

    Hi I installed the latest version of Locate32 in place to the one I was using. I was surprised that it no longer seems to add a link on the right click drop down menu. But my question is about the way some files are showing up when I search. I ran a search for .tiff files in one of my photo...
  20. E

    Windows 7 Windows 7 Offline Files - 2 problems with terrible workarounds - I want better solutions!

    I have two problems with Offline Files in Windows 7 that maybe you can shed some light on. I have narrowed these problems down specifically to Offline Files in Windows 7 and have manufactured some workaround solutions, but they are not great. This is a really long forum post, I apologize...