This is a font-encoding issue, not a Power Apps or SharePoint language problem.
When you export data from Power Apps (especially to Excel, PDF, or Word) using Power Automate, Vietnamese characters often appear incorrectly because the file is created using a non-Unicode font or encoding.
✅ Why Vietnamese text breaks
Vietnamese requires Unicode (UTF-8) fonts.
If the export uses any of these, characters will be wrong:
-
Arial (old)
-
Calibri (older Excel engine)
-
Times New Roman (non-Unicode version)
-
Default HTML → Excel conversion
-
Create CSV action (not UTF-8)
Power Apps itself supports Vietnamese perfectly — the issue happens during file generation.
✅ Solutions (choose based on export type)
🔹 If exporting to Excel
✅ Best option (recommended)
In Power Automate:
Use Create Excel file using template
In Excel template:
-
Use Calibri, Arial Unicode MS, or Segoe UI
-
Do not use CSV
-
Do not use “Create HTML table → Convert to Excel”
This preserves Vietnamese characters correctly.
🔹 If exporting using CSV
CSV is the most common problem.
❌ Do NOT use:
Create CSV table
It exports as ANSI encoding.
✅ Correct way:
Use UTF-8 CSV:
-
Create file using Compose
-
Convert content to UTF-8
-
Save file as .csv
Or open CSV in Excel using:
Data → From Text/CSV → UTF-8
🔹 If exporting to PDF or Word
When using HTML → PDF:
You must define UTF-8 and font explicitly.
Example HTML:
<meta charset="UTF-8">
<style>
body {
font-family: "Segoe UI", Arial, sans-serif;
}
</style>
Without this, Vietnamese text will break.
🔹 If using Power Apps PDF() function
Set font explicitly:
PDF(
Gallery1,
{
Font: Font.'Segoe UI'
}
)
Segoe UI fully supports Vietnamese.
✅ Recommended fonts for Vietnamese
Use only Unicode fonts:
-
✅ Segoe UI (best)
-
✅ Arial Unicode MS
-
✅ Calibri
-
✅ Roboto
-
✅ Noto Sans
Avoid:
-
❌ VNI fonts
-
❌ TCVN3 fonts
-
❌ legacy Times New Roman
✅ Summary (most important)
Vietnamese text breaks because:
✅ Best practice setup
Power Apps Gallery
↓
Power Automate
↓
Create Excel using template
↓
Unicode font (Segoe UI)
↓
Correct Vietnamese text
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