We reduced the sync time to about three minutes by excluding some folders. This is not a perfect solution, but it can make a difference. In there, you can specify which paths not to sync. To do that, head to Autosync's three-dot overflow menu in the upper-right corner and select Settings > Files and Folders > Exclude Name Patterns. You can mitigate the issue a bit by excluding some files from syncing, like those old college documents sitting in your cloud for backup. If you switch between your Chromebook and other devices quickly and routinely throughout the day, this might not be fast enough, especially if you have a lot of files in your OneDrive storage. A scan of our 20GB test drive takes almost seven minutes without any changes. That's because the app goes through every folder and file on your device individually, comparing each to the copy available in your cloud storage. It also takes Autosync quite some time to spot changes on OneDrive. It will almost certainly be one of the top CPU users during the sync process. In the first sync process, you might notice your device getting hotter than usual.

Autosync is intense on Chromebook hardware. It took the app a substantial amount of time to sync our 20GB test OneDrive, much longer than the official client would have taken on another OS. Since this syncing solution relies on a third-party Android app, it doesn't work as well as the official OneDrive desktop helper on Windows or macOS. If any of these options don't apply to you, you might be better off switching to Google Drive or making do with the OneDrive Android app or the OneDrive website. Alternatively, you can opt not to sync all of your files. It might also be viable if you don't have a lot of files in your cloud storage drive. The solution is only good if you need offline files on your computer, conveniently integrated into your ChromeOS Files app. It takes a bigger load on your battery and CPU, especially the more data you have stored in your cloud. It works on a scheduled basis and compares the files available on your device with those on your cloud storage on each run. For another, Autosync is different from official solutions like the OneDrive sync utilities for Mac and Windows. For one, some functionality is locked behind an in-app purchase of at least $5, including the option for full cloud storage offline sync. We need to preface this with two warnings. It puts your desired content on your laptop and makes it accessible offline.

That's where Autosync comes in, an Android app that taps into your cloud storage to sync your data to your Chromebook's Files app.

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