Then select the new PST file on the Data Files tab.Click the Data Files button in the Mail Setup window.Users can then select the new data file to be the default one for Outlook by opening Mail from the Control Panel.Users can enter an optional password by selecting the Add optional password option.Then enter a file title for the data file.Select More Items and the Outlook Data File option.To do so, click the New Items button in Outlook. Setting up a new Outlook data file might also resolve the data file is out of disk space error.Then select the new profile to be the default one for Outlook.On the Mail window, click the Always use this profile option.Then fill out the text boxes on the Add Account window.Enter a profile title in the New Profile window, and click the OK button.Press the Show Profiles button, and click Add on the General tab.Click the Control Panel > button to select All Control Panel Items.Input ‘Control Panel’ in the Open box and click OK.To do that, launch Run by pressing the Windows key + R hotkey. Another confirmed fix is to set up a new Outlook profile.Then click the Empty Recycle Bin button to delete everything in it. Click the Recycle Bin icon on the desktop. Some users have said that they fixed the data file is out of disk space error by clearing the Recycle Bin, which will free up disk space. How can Users Fix the Data File is out of Disk Space Error? 1. Users can’t receive any emails in Outlook when that error arises. Empty the Deleted Items folder or create space on the drive by removing some of your files. The full error message states: The drive that contains your data file is out of disk space. Some Outlook users have posted on the Microsoft forum about a data file is out of disk space error message that pops up. Home › Fix › How to fix the data file is out of disk space Outlook error

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