Here are the Best Methods for resolve "0x8004010f – Outlook Data File Cannot Be Accessed" Error in Outlook:
Locate and install Outlook data file
Create a new MS Outlook profile
auto account set up
manual account set up
Set new Outlook profile as default
Read more here:- https://www.datarecovo.com/how-to-fix-outlook-error-0x8004010f/
Method 1- Locate the Outlook Data File (PST)
Start the Outlook application. Click File > Account Settings> Account Settings.
In Account Settings, go to the Data Files tab and note the name and location of the default Outlook data file (the default data file always have a check mark before it). Click Close.
Method 2- Create a New Profile in Outlook
When you create a new Outlook profile using IMAP/POP3 account, you can do it manually or use the auto account setup. Both the ways are given here:
Use auto account setup to create an Outlook profile
Go to Control Panel. Then click Mail. It will open Mail Setup – Outlook window.
In Mail Setup – Outlook window, click the Show Profiles button.
In the Mail dialogue box, click Add.
Input a new Profile Name in the New Profile window. Then click OK.
Input your user credentials in the Add Account window and click Next. The account is created.
Regards, Caleb