File History Configuration
Whenever the client updates or deletes a file it moves the previous/deleted version of that file into an internal file history. This file history can hold a configurable amount of versions and is decentralized, this means each device holds a set of archived files, which can be restored manually on demand.
Configuring the number of versions for a folder in the client
The client offers a configuration option to select from the following values for the number of versions which will be archived:
- None
- 1 version
- 5 versions (Default)
- 25 versions
- 100 versions
- Unlimited
 If this number has been reached, the oldest version will be purged and replaced by a new version.
To configure the number of versions being kept in the local file history:
- Enable the Advanced Mode.
- Click on the folder in question in the main window.
- In the right pane which opens up, please click on the Settings tab.
- Select from the Local file history drop-down how many versions should be stored locally.
- Â Done. The file history will now keep the number of versions configured above.
Purging the file history contents for a folder
To purge all versions from the file history:
- Enable the Advanced Mode.
- Click on the folder in question in the main window.
- In the right pane which opens up, please click on the Settings tab.
- Click on the delete button  next to the right of the Local file history drop-down.
- Click on Purge to confirm emptying the file history and delete all versions stored.
- Â Done. All versions in the file history are now deleted.
Configuring the defaults for number of versions and purging time periods
The client offers a configuration option to select from the following values for the number of versions which will be archived:
- None
- 1 version
- 5 versions (Default)
- 25 versions
- 100 versions
- Unlimited
 If this number has been reached, the oldest version will be purged and replaced by a new version.
Furthermore it is possible to configure when versions will be purged from the history:
- 1 day
- 1 week
- 1 month
- 1 year
- forever (Default)
 The client will purge old versions shortly after startup or after midnight.
To configure defaults for the file history:
- Click on Preferences in the main window.
- Click on General.
- Select from the History drop-downs how many versions should be stored for a specified amount of time.
- Â Done. The file history values configured above will now be applied for each new folder.
Purging the file history contents for all folders
To purge all file history for all folders:
- Click on Preferences in the main window.
- Click on General.
- Click on the Cleanup button next to the History drop-downs.
- Â Done. All file versions from all folders will now be purged.
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