Data Import and Connection Manager

Help me set up data import connections in Excel:

**Data Source Type:**
- [ ] CSV/Text files
- [ ] Excel workbooks
- [ ] Access database
- [ ] SQL Server database
- [ ] Web page/table
- [ ] SharePoint list
- [ ] OData feed
- [ ] JSON/XML file
- [ ] Other: [specify]

**Source Location:**
- Path/URL: [location of data source]
- Access method: [local file / network / cloud / API]
- Authentication: [none / username/password / Windows auth]

**Data Details:**
- Tables/sheets to import: [list]
- Columns needed: [all or specific]
- Rows: [all or filtered]
- Data volume: [row count estimate]

**Transformation Needs:**
- [ ] Filter rows
- [ ] Select columns
- [ ] Change data types
- [ ] Merge tables
- [ ] Unpivot columns
- [ ] Add calculated columns

**Refresh Requirements:**
- Refresh frequency: [manual / on open / scheduled]
- Full reload or incremental: [specify]
- Multiple queries to coordinate: [Yes/No]

Please provide:
1. Step-by-step connection setup
2. Power Query recommendations
3. Query parameters for flexibility
4. Refresh configuration
5. Error handling for connection issues
6. Best practices for data connections