First, you’ll need to add on the Import and Export mail feature to Thunderbird. 1. Open your Thunderbird desktop app. 2. Click the drop-down menu in the top-right corner. 3. Find and select the “Add-ons” button from the right menu.4. Click “Get Add-ons.”5. In the search bar, type in “ImportExportToo...

Follow these steps for backing up emails in Outlook for Office 365, Outlook 2019, Outlook 2016, and Outlook 2013: Backup to a folder on your computer:1. Go to File in the tool bar > Open & Export > Import / Export2. Choose “Export to a file” from the list of actions. Then click next. 3. Select “Outl...